Volkert Dirk Siersma
!!Statistiker, External Lecturer
Forskningsenheden for Almen Praksis
Øster Farimagsgade 5
1353 København K
Section of Biostatistics
Øster Farimagsgade 5 opg. B
1353 København K
- 2018
- Published
Consequences of screening in cervical cancer: Development and dimensionality of a questionnaire
Brodersen, John Brandt, Siersma, Volkert Dirk & Thorsen, Hanne, 2018, In: BMC Psychology. 6, 1, 39.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effects of Diagnostic Work-Up on Medical Decision-Making for Canine Urinary Tract Infection: An Observational Study in Danish Small Animal Practices
Sørensen, Tina Møller, Bjørnvad, Charlotte Reinhard, Cordoba Currea, Gloria Cristina, Damborg, Peter Panduro, Guardabassi, Luca, Siersma, Volkert Dirk, Bjerrum, Lars & Jessen, Lisbeth Rem, 2018, In: Journal of Veterinary Internal Medicine. 32, 2, p. 743-751Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Estimation of Overdiagnosis of Lung Cancer in Low-Dose Computed Tomography Screening: A Secondary Analysis of the Danish Lung Cancer Screening Trial
Heleno, B., Siersma, Volkert Dirk & Brodersen, John Brandt, 2018, In: JAMA Internal Medicine. 178, 10, p. 1420-1422 3 p.Research output: Contribution to journal › Letter › Research › peer-review
- Published
Helicopter vs. ground transportation of patients bound for primary percutaneous coronary intervention
Funder, K. S., Rasmussen, L. S., Siersma, Volkert Dirk, Lohse, N., Hesselfeldt, R., Pedersen, F., Hendriksen, O. M. & Steinmetz, Jacob, 2018, In: Acta Anaesthesiologica Scandinavica. 62, 4, p. 568-578 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Interplay between financial assets and social relations on decline in physical function and mortality among older people
Jørgensen, Terese Sara Høj, Lund, Rikke, Siersma, Volkert Dirk & Nilsson, Charlotte Juul, 2018, In: European Journal of Ageing. 15, 2, p. 133–142 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Interpretation of HbA1c in primary care and potential influence of anaemia and chronic kidney disease: an analysis from the Copenhagen Primary Care Laboratory (CopLab) Database
Borg, Rikke, Persson, F., Siersma, Volkert Dirk, Lind, B., de Fine Olivarius, N. & Andersen, Christen Bertel L, 2018, In: Diabetic Medicine. 35, 12, p. 1700-1706 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
KNEES-ACL has superior responsiveness compared to the most commonly used patient-reported outcome measures for anterior cruciate ligament injury
Comins, J. D., Siersma, Volkert Dirk, Lind, M., Jakobsen, B. W. & Krogsgaard, Michael R., 2018, In: Knee Surgery, Sports Traumatology, Arthroscopy. 26, 8, p. 2438-2446 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Maternal stress and placental function, a study using questionnaires and biomarkers at birth
Dahlerup, B. R., Egsmose, E. L., Siersma, Volkert Dirk, Mortensen, Erik Lykke, Hedegaard, M., Knudsen, Lisbeth E. & Mathiesen, Line, 2018, In: PLOS ONE. 13, 11, 18 p., e0207184.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Measuring bothersome menopausal symptoms: development and validation of the MenoScores questionnaire
Lund, K. S., Siersma, Volkert Dirk, Christensen, Karl Bang, Waldorff, Frans Boch & Brodersen, John Brandt, 2018, In: Health and Quality of Life Outcomes. 16, 12 p., 97.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Multimorbidity and mortality: A 15-year longitudinal registry-based nationwide Danish population study
Willadsen, Tora Grauers, Siersma, Volkert Dirk, Nicolaisdottir, Dagny Ros, Køster-Rasmussen, Rasmus, Jarbøl, D. E., Reventlow, Susanne, Mercer, S. & Olivarius, Niels de Fine, 2018, In: Journal of Comorbidity. 8, p. 1-9 9 p., 8.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
No effect of anti-TNF-α agents on the surgical stress response in patients with inflammatory bowel disease undergoing bowel resections: a prospective multi-center pilot study
El-Hussuna, A., Qvist, N., Zangenberg, M. S., Langkilde, A., Siersma, Volkert Dirk, Hjort, S. & Gögenur, I., 2018, In: BMC Surgery. 18, 10 p., 91.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Psychosocial consequences among women with false-positive results after mammography screening in Norway
Solbjør, M., Forsmo, S., Skolbekken, J., Siersma, Volkert Dirk & Brodersen, John Brandt, 2018, In: Scandinavian Journal of Primary Health Care. 36, 4, p. 380-389 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Quality assessment in general practice: diagnosis and antibiotic treatment of acute respiratory tract infections
Saust, Laura Trolle, Bjerrum, Lars, Siersma, Volkert Dirk, Arpi, M. & Hansen, M. P., 2018, In: Scandinavian Journal of Primary Health Care. 36, 4, p. 372-379 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Quantitative Electroencephalography Analyzed by Statistical Pattern Recognition as a Diagnostic and Prognostic Tool in Mild Cognitive Impairment: Results from a Nordic Multicenter Cohort Study
Schjønning Nielsen, M., Simonsen, A. H., Siersma, Volkert Dirk, Engedal, K., Jelic, V., Andersen, B. B., Naik, M., Hasselbalch, Steen & Høgh, Peter, 2018, In: Dementia and Geriatric Cognitive Disorders. Extra. 8, 3, p. 426-438 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Replik angående screening för bukaortaaneurysm: Dags för oberoende granskning av det svenska screeningprogrammet
Johansson, M., Zahl, P. H., Siersma, Volkert Dirk, Jørgensen, K. J., Marklund, B. & Brodersen, John Brandt, 2018, In: Lakartidningen. 115, 37, p. 1373 1 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
- Published
Self-rated versus Caregiver-rated Health for Patients with Mild Dementia as Predictors of Patient Mortality
Phung, T. K. T., Siersma, Volkert Dirk, Vogel, Asmus, Waldorff, Frans Boch & Waldemar, Gunhild, 2018, In: American Journal of Geriatric Psychiatry. 26, 3, p. 375-385 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Spending time outside to reduce infections at preschool may be an overrated strategy
Söderström, M., Siersma, Volkert Dirk & Boldemann, C., 2018, In: Acta Paediatrica. 107, 9, p. 1652 1 p.Research output: Contribution to journal › Editorial › Research › peer-review
- Published
The Diagnostic and Prognostic Value of a Dual-Tasking Paradigm in a Memory Clinic
Nielsen, M. S., Simonsen, A. H., Siersma, Volkert Dirk, Hasselbalch, Steen & Høgh, Peter, 2018, In: Journal of Alzheimer's Disease. 61, 3, p. 1189-1199 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The development of multimorbidity during 16 years after diagnosis of type 2 diabetes
Pouplier, S., Olsen, M. Å., Willadsen, Tora Grauers, Sandholdt, H., Siersma, Volkert Dirk, Andersen, Christen Bertel L & Olivarius, Niels de Fine, 2018, In: Journal of Comorbidity. 8, 1, p. 1-9 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The effect of structured personal care on diabetes symptoms and self-rated health over 14 years after diabetes diagnosis
Willadsen, Tora Grauers, Siersma, Volkert Dirk, Nielsen, Anni Brit Sternhagen, Køster-Rasmussen, Rasmus, Guassora, Ann Dorrit, Jarbol, D. E., Eusebi, P., Malterud, Kirsti, Reventlow, Susanne & Olivarius, Niels de Fine, 2018, In: Primary Care Diabetes. 12, 4, p. 354-363 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The risk of fall accidents for home dwellers with dementia—A register- and population-based case-control study
Petersen, Jindong Ding, Siersma, Volkert Dirk, Christensen, R. D. P., Storsveen, M. M., Nielsen, C. T. & Waldorff, Frans Boch, 2018, In: Alzheimer's and Dementia: Diagnosis, Assessment and Disease Monitoring. 10, p. 421-428 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Use of diagnostic tests and the appropriateness of the treatment decision in patients with suspected urinary tract infection in primary care in Denmark - Observational study
Cordoba Currea, Gloria Cristina, Holm, Anne, Sørensen, Tina Møller, Siersma, Volkert Dirk, Sandholdt, H., Makela, M., Frimodt-Møller, N. & Bjerrum, Lars, 2018, In: BMC Family Practice. 19, 1, 7 p., 65.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Exercise induced effects on muscle function and range of motion in patients with hip osteoarthritis
Bieler, T., Siersma, Volkert Dirk, Magnusson, Stig Peter, Kjær, Michael & Beyer, N., Jan 2018, In: Physiotherapy Research International. 23, 1, 9 p., e1697.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Markers of DNA/RNA damage from oxidation as predictors of a registry-based diagnosis of psychiatric illness in type 2 diabetic patients
Jørgensen, Anders, Siersma, Volkert Dirk, Davidsen, Annette Sofie, Weimann, A., Henriksen, T., Poulsen, Henrik Enghusen & Olivarius, Niels de Fine, Jan 2018, In: Psychiatry Research. 259, p. 370-376 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Predictors of undiagnosed prevalent type 2 diabetes: The Danish General Suburban Population Study.
Heltberg, Andreas Søndergaard, Andersen, John Sahl, Sandholdt, H., Siersma, Volkert Dirk, Kragstrup, Jakob & Ellervik, Christina, Feb 2018, In: Primary Care Diabetes. 12, 1, p. 13-22 10 p., 28964672.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Predictors of visual outcome in patients operated for craniopharyngioma - a Danish national study
Jacobsen, M. F., Thomsen, A. S. S., Bach-Holm, Daniella, Doroudian, G., Nissen, K. R., Fugleholm, Kåre, Poulsgaard, L., Siersma, Volkert Dirk & Heegaard, Steffen, Feb 2018, In: Acta Ophthalmologica. 96, 1, p. 39-45Research output: Contribution to journal › Journal article › Research › peer-review
- Published
How well do general practitioners know their elderly patients' social relations and feelings of loneliness?
Due, Tina Drud, Sandholdt, H., Siersma, Volkert Dirk & Waldorff, Frans Boch, 26 Feb 2018, In: BMC Family Practice. 19, 8 p., 34.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Hunde med tegn på cystitis overbehandles
Sørensen, Tina Møller, Bjørnvad, Charlotte Reinhard, Cordoba Currea, Gloria Cristina, Damborg, Peter Panduro, Guardabassi, Luca, Siersma, Volkert Dirk, Bjerrum, Lars & Jessen, Lisbeth Rem, Jun 2018, In: Dyrlægen; fagmagasin for dyrlæger, veterinærstuderende og veterinærsygeplejersker. 12, 3, p. 22-26 5 p.Research output: Contribution to journal › Journal article › Communication
- Published
Subjective memory complaints and future depression in primary care patients: A four-year follow-up study
Quaade, A. S., Davidsen, Annette Sofie, Siersma, Volkert Dirk, Waldemar, Gunhild & Waldorff, Frans Boch, 1 Nov 2018, In: General Hospital Psychiatry. 55, p. 4-9 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Brain Natriuretic Peptide in Plasma as Predictor of All-Cause Mortality in a Large Danish Primary Health Care Population Suspected of Heart Failure
Hejl, J. L., Grand, Mia Klinten, Siersma, Volkert Dirk, Goetze, Jens P. , Olivarius, Niels de Fine, Andersen, Christen Bertel L & Lind, B., Dec 2018, In: Clinical Chemistry. 64, 12, p. 1723-1731Research output: Contribution to journal › Journal article › Research › peer-review
- 2019
- Published
Association between perioperative hyperoxia and cerebrovascular complications after laparotomy: A post-hoc follow-up study
Kongebro, E. K., Jørgensen, Lars Nannestad, Siersma, Volkert Dirk & Meyhoff, Christian Sylvest, 2019, In: Acta Anaesthesiologica Scandinavica. 63, 2, p. 164-170Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Association of the blood eosinophil count with end-organ symptoms
Bjerrum, O. W., Siersma, Volkert Dirk, Hasselbalch, Hans Carl, Lind, B. & Andersen, Christen Bertel L, 2019, In: Annals of Medicine and Surgery. 45, p. 11-18Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Changes in HbA1cduring the first six years after the diagnosis of Type 2 diabetes mellitus predict long-term microvascular outcomes
Rozing, Maarten Pieter, Møller, Anne, Aabenhus, Rune Munck, Siersma, Volkert Dirk, Rasmussen, K. & Køster-Rasmussen, Rasmus, 2019, In: PLoS ONE. 14, 11, e0225230.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Changes in Prescription Routines for Treating Hypothyroidism Between 2001 and 2015: An Observational Study of 929,684 Primary Care Patients in Copenhagen
Medici, B. B., Nygaard, Birte, la Cour, J. L., Grand, Mia Klinten, Siersma, Volkert Dirk, Nicolaisdottir, Dagny Ros, Lind, B., Olivarius, Niels de Fine & Andersen, Christen Bertel L, 2019, In: Thyroid. 29, 7, p. 910-919Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cumulative physical workload and mobility limitations in middle-aged men and women: a population-based study with retrospective assessment of workload
Møller, Anne, Mänty, M., Andersen, L. L., Siersma, Volkert Dirk, Lund, Rikke & Mortensen, Ole Steen, 2019, In: International Archives of Occupational and Environmental Health. 92, 5, p. 651-660 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Dementia and road traffic accidents among non-institutionalized older people in Denmark: A Danish register-based nested case-control study
Petersen, Jindong Ding, Siersma, Volkert Dirk, Christensen, R. D., Storsveen, M. M., Nielsen, C. T., Vass, Mikkel & Waldorff, Frans Boch, 2019, In: Scandinavian Journal of Public Health. 47, 2, p. 221-228 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Domain-specific cognitive dysfunction after cardiac surgery. A secondary analysis of a randomized trial
Vedel, A. G., Holmgaard, F., Siersma, Volkert Dirk, Langkilde, Annika Reynberg, Paulson, Olaf B., Ravn, H. B., Nilsson, J. C. & Rasmussen, L. S., 2019, In: Acta Anaesthesiologica Scandinavica. 63, 6, p. 730-738 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effect of Storage Temperature for B-Type Natriuretic Peptide Concentrations for Primary Healthcare Populations Reply
Hejl, J. L., Grand, Mia Klinten, Siersma, Volkert Dirk, Goetze, Jens P. , Olivarius, Niels de Fine, Andersen, C. L. & Lind, B., 2019, In: Clinical Chemistry. 65, 6, p. 812-813 2 p.Research output: Contribution to journal › Letter › Research › peer-review
- Published
Efficacy of a standardised acupuncture approach for women with bothersome menopausal symptoms: a pragmatic randomised study in primary care (the ACOM study)
Lund, K. S., Siersma, Volkert Dirk, Brodersen, John Brandt & Waldorff, Frans Boch, 2019, In: BMJ Open. 9, 1, p. e023637 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Examining to what extent pregnancy-related physical symptoms worry women in the first trimester of pregnancy: a cross-sectional study in general practice
Lutterodt, Melissa C., Kähler, P., Kragstrup, Jakob, Nicolaisdottir, Dagny Ros, Siersma, Volkert Dirk & Ertmann, Ruth Kirk, 2019, In: British Journal of General Practice Open . 3, 9 p., 4.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Labour market attachment after mild traumatic brain injury: nationwide cohort study with 5-year register follow-up in Denmark
Graff, H. J., Siersma, Volkert Dirk, Møller, Anne, Kragstrup, Jakob, Andersen, L. L., Egerod, Ingrid Eugenie & Rytter, Hana Malá, 2019, In: BMJ Open. 9, 4, 10 p., e026104.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mobility limitation as determinant of primary care use and ambulatory care sensitive conditions
Jørgensen, Terese Sara Høj, Siersma, Volkert Dirk, Lund, Rikke & Nilsson, Charlotte Juul, 2019, In: European Geriatric Medicine. 10, 1, p. 53-60 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Patients with Alzheimer's disease who carry the APOE ε4 allele benefit more from physical exercise
Jensen, C. S., Simonsen, A. H., Siersma, Volkert Dirk, Beyer, N., Frederiksen, K. S., Gottrup, H., Hoffman, K., Høgh, Peter, Frikke-Schmidt, Ruth, Sobol, N. A., Waldemar, Gunhild, Wermuth, L. & Hasselbalch, Steen, 2019, In: Alzheimer's and Dementia: Translational Research and Clinical Interventions. 5, 1, p. 99-106 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Physical discomfort in early pregnancy and postpartum depressive symptoms
Ertmann, Ruth Kirk, Nicolaisdottir, Dagny Ros, Kragstrup, Jakob, Siersma, Volkert Dirk, Lutterodt, Melissa C. & Bech, P., 2019, In: Nordic Journal of Psychiatry. 73, 3, p. 200-206 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Pre-test probability of urinary tract infection in dogs with clinical signs of lower urinary tract disease
Sørensen, Tina Møller, Holmslykke, M., Nordlund, M., Siersma, Volkert Dirk & Jessen, Lisbeth Rem, 2019, In: Veterinary Journal. 247, p. 65-70 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Premorbid risk factors influencing labour market attachment after mild traumatic brain injury: a national register study with long-term follow-up
Graff, H. J., Siersma, Volkert Dirk, Møller, Anne, Kragstrup, Jakob, Andersen, L. L., Egerod, Ingrid Eugenie & Rytter, Hana Malá, 2019, In: BMJ Open. 9, 10 p., e027297.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Psychosocial consequences of receiving a lung cancer diagnosis by telephone versus in an outpatient clinic. A pragmatic randomized trial
Bodtger, U., Marsaa, K., Brodersen, John Brandt, Siersma, Volkert Dirk, Bang, C. W. & Høegholm, A., 2019, In: European Respiratory Journal. 54, Supplement 63, PA4651.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sampling of urine for diagnosing urinary tract infection in general practice–First-void or mid-stream urine?
Hølmkjær, Pernille, Bjerrum, Lars, Mäkelä, Marjukka, Siersma, Volkert Dirk & Holm, Anne, 2019, In: Scandinavian Journal of Primary Health Care. 37, 1, p. 113-119 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Screening for abdominal aortic aneurysm - Authors' reply
Johansson, M., Zahl, P. H., Siersma, Volkert Dirk, Jørgensen, K. J., Marklund, B. & Brodersen, John Brandt, 2019, In: Lancet Oncology. 393, 10166, p. 28 1 p.Research output: Contribution to journal › Letter › Research › peer-review
- Published
Standard complication screening information can be used for risk assessment for first time foot ulcer among patients with type 1 and type 2 diabetes
Hangaard, S., Rasmussen, A., Almdal, Thomas Peter, Nielsen, A. A., Nielsen, K. E., Siersma, Volkert Dirk & Holstein, P., 2019, In: Diabetes Research and Clinical Practice. 151, p. 177-186 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Structural and cognitive correlates of fatigue in progressive multiple sclerosis
Andreasen, A. K., Iversen, P., Marstrand, L., Siersma, Volkert Dirk, Siebner, Hartwig Roman & Sellebjerg, Finn Thorup, 2019, In: Neurological Research. 41, 2, p. 168-176Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Effect of Economic Assets on Mortality in Patients with Dementia: A Population-Based Cohort Study
Bebe, Anna, Siersma, Volkert Dirk, Kragstrup, Jakob, Nielsen, Anni Brit Sternhagen, Møller, Anne, Søndergaard, J., Nicolaisdottir, Dagny Ros & Waldorff, Frans Boch, 2019, In: Journal of Alzheimer's Disease. 67, 4, p. 1245-1253 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The effect of structured personal care on RNA oxidation: A 19-year follow-up of the randomized trial Diabetes Care in General Practice (DCGP)
Kjær, L. K., Grand, Mia Klinten, Siersma, Volkert Dirk, Brødbæk, K., Jørgensen, Anders, Olivarius, Niels de Fine & Poulsen, Henrik Enghusen, 2019, In: Journal of Diabetes and its Complications. 33, 3, p. 202-207Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The impact of cancer on diabetes outcomes
Arreskov, Anne Beiter, Olsen, M. Å., Pouplier, S. S., Siersma, Volkert Dirk, Andersen, Christen Bertel L, Friis, S. & Olivarius, Niels de Fine, 2019, In: BMC Endocrine Disorders. 19, 9 p., 60.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Visual impairment and mortality in patients with type 2 diabetes
Siersma, Volkert Dirk, Køster-Rasmussen, Rasmus, Bruun, C., Olivarius, Niels de Fine & Brunes, A., 2019, In: B M J Open Diabetes Research & Care. 7, 1, 9 p., e000638.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Intergenerational relations and social mobility: Social inequality in physical function in old age
Jørgensen, Terese Sara Høj, Nilsson, Charlotte Juul, Lund, Rikke, Siersma, Volkert Dirk & Fors, S., Jan 2019, In: Archives of Gerontology and Geriatrics. 80, p. 58-64 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2020
- Published
Age-related prevalence and clinical significance of neutropenia - isolated or combined with other cytopenias: Real world data from 373 820 primary care individuals
Palmblad, J., Siersma, Volkert Dirk, Lind, B., Bjerrum, O. W., Hasselbalch, Hans Carl & Andersen, Christen Bertel L, 2020, In: American Journal of Hematology. 95, 5, p. 521-528 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Clinical management of hip fractures in elderly patients with dementia and postoperative 30-day mortality: A population-based cohort study
Petersen, Jindong Ding, Siersma, Volkert Dirk, Wehberg, S., Nielsen, C. T., Viberg, B. & Waldorff, Frans Boch, 2020, In: Brain and Behavior. 10, 11, 10 p., e01823.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Did psychosocial status, sociodemographics and smoking status affect non-attendance in control participants in the Danish Lung Cancer Screening Trial? A nested observational study
Malmqvist, J., Siersma, Volkert Dirk, Thorsen, Hanne, Heleno, B., Rasmussen, J. F. & Brodersen, John Brandt, 2020, In: BMJ Open. 10, 2, 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Direct and indirect healthcare costs of lung cancer CT screening in Denmark: a registry study
Jensen, Manja Dahl, Siersma, Volkert Dirk, Rasmussen, J. F. & Brodersen, John Brandt, 2020, In: B M J Open. 10, 1, 11 p., e031768.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Easily Conducted Tests During the First Week Post-stroke Can Aid the Prediction of Arm Functioning at 6 Months
Ghaziani, E., Couppé, Christian, Siersma, Volkert Dirk, Christensen, Hanne Krarup, Magnusson, Stig Peter, Sunnerhagen, K. S., Persson, H. C. & Murphy, M. A., 2020, In: Frontiers in Neurology. 10, 13 p., 1371.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effect of a participatory patient education programme (NExt EDucation) in group-based patient education among Danes with type 2 diabetes
Christoffersen, L. A. N., Hansen, A. K., Pals, R. A. S., Willaing, I., Siersma, Volkert Dirk & Olesen, K., 2020, In: Chronic Illness. 16, 3, p. 226-236 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Five-year trends in marital stability, academic achievement, and socioeconomic indicators after concussion: a national register study
Graff, H. J., Siersma, Volkert Dirk, Møller, Anne, Egerod, Ingrid Eugenie & Rytter, Hana Malá, 2020, In: Journal of Head Trauma Rehabilitation. 35, 2, p. E86-E94 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Long-term survival and cognitive function according to blood pressure management during cardiac surgery: A follow up
Larsen, M. H., Draegert, C., Vedel, A. G., Holmgaard, F., Siersma, Volkert Dirk, Nilsson, J. C. & Rasmussen, L. S., 2020, In: Acta Anaesthesiologica Scandinavica. 64, 7, p. 936-944 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mortality Following Trajectories of Mobility Limitations: The Modifying Impact of Social Factors
Jørgensen, Terese Sara Høj, Siersma, Volkert Dirk, Lund, Rikke & Nilsson, Charlotte Juul, 2020, In: Journal of Aging and Health. 32, 3-4, p. 134-142 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Overdiagnosis of lung cancer with low-dose computed tomography screening: meta-analysis of the randomised clinical trials
Brodersen, John Brandt, Voss, T., Martiny, Frederik Handberg Juul, Siersma, Volkert Dirk, Barratt, A. & Heleno, B., 2020, In: Breathe. 16, 1, 11 p., 200013.Research output: Contribution to journal › Review › Research › peer-review
- Published
Psychosocial consequences of false positives in the Danish Lung Cancer CT Screening Trial: A nested matched cohort study
Rasmussen, J. F., Siersma, Volkert Dirk, Malmqvist, J. & Brodersen, John Brandt, 2020, In: BMJ Open. 10, 6, e034682.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Reconstruction of the anterior cruciate- and anterolateral ligament deficient knee with a modified iliotibial graft reduces instability more than with an intra-articular hamstring graft
Eljaja, S. B., Konradsen, L., Siersma, Volkert Dirk, Athwal, K., Amis, A. A. & Krogsgaard, Michael R., 2020, In: Knee Surgery, Sports Traumatology, Arthroscopy. 28, p. 2526–2534 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Reducing Antibiotic Prescriptions for Urinary Tract Infection in Nursing Homes Using a Complex Tailored Intervention Targeting Nursing Home Staff: Protocol for a Cluster Randomized Controlled Trial
Arnold, Sif Helene, Jensen, J. N., Kousgaard, Marius Brostrøm, Siersma, Volkert Dirk, Bjerrum, Lars & Holm, Anne, 2020, In: J M I R Research Protocols. 9, 5, 10 p., e17710.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Selection bias in general practice research: analysis in a cohort of pregnant Danish women
Ertmann, Ruth Kirk, Nicolaisdottir, Dagny Ros, Kragstrup, Jakob, Siersma, Volkert Dirk, Overbeck, Gritt, Wilson, Philip Michael John & Lutterodt, Melissa C., 2020, In: Scandinavian Journal of Primary Health Care. 38, 4, p. 464-472 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sleep complaints in early pregnancy. A cross-sectional study among women attending prenatal care in general practice
Ertmann, Ruth Kirk, Nicolaisdottir, Dagny Ros, Kragstrup, Jakob, Siersma, Volkert Dirk & Lutterodt, Melissa C., 2020, In: B M C Pregnancy and Childbirth. 20, 9 p., 123.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sustained effects of a brief and standardised acupuncture approach on menopausal symptoms: post hoc analysis of the ACOM randomised controlled trial
Lund, K. S., Siersma, Volkert Dirk, Bang, C. W., Brodersen, John Brandt & Waldorff, Frans Boch, 2020, In: Acupuncture in Medicine. 38, 6, p. 396-406 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Symptom-based screening tool for asthma syndrome among young children in Uganda
Nantanda, R., Siersma, Volkert Dirk, Ndeezi, G., Tumwine, J. K. & Ostergaard, M. S., 2020, In: Primary Care Respiratory Journal. 30, 6 p., 30.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The role of physical and cognitive function in performance of activities of daily living in patients with mild-to-moderate Alzheimer’s disease – a cross-sectional study
Clemmensen, F. K., Hoffmann, K., Siersma, Volkert Dirk, Sobol, N., Beyer, N., Andersen, B. B., Vogel, A., Lolk, A., Gottrup, H., Høgh, Peter, Waldemar, Gunhild, Hasselbalch, Steen & Frederiksen, K. S., 2020, In: BMC Geriatrics. 20, 1, 9 p., 513.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Health-Related Quality of Life and Physical Function in Individuals with Parkinson's Disease after a Multidisciplinary Rehabilitation Regimen-A Prospective Cohort Feasibility Study
Nielsen, C., Siersma, Volkert Dirk, Ghaziani, E., Beyer, N., Magnusson, Stig Peter & Couppé, Christian, Jan 2020, In: International Journal of Environmental Research and Public Health. 17, 20, 13 p., 7668.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Availability of point-of-care culture and microscopy in general practice - does it lead to more appropriate use of antibiotics in patients with suspected urinary tract infection?
Holm, Anne, Siersma, Volkert Dirk, Bjerrum, Lars & Cordoba Currea, Gloria Cristina, Dec 2020, In: The European Journal of General Practice. 26, 1, p. 175-181 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2021
- Published
A catalogue of PROMs in sports science: Quality assessment of PROM development and validation
Hansen, C. F., Jensen, J., Siersma, Volkert Dirk, Brodersen, John Brandt, Comins, J. D. & Krogsgaard, Michael R., 2021, In: Scandinavian Journal of Medicine and Science in Sports. 31, 5, p. 991-998 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Antibiotic prescribing in Danish general practice in the elderly population from 2010 to 2017
Jensen, Maria Louise Veimer, Aabenhus, Rune Munck, Holzknecht, Barbara Juliane, Bjerrum, Lars, Jensen, J. N., Siersma, Volkert Dirk & Cordoba Currea, Gloria Cristina, 2021, In: Scandinavian Journal of Primary Health Care. 39, 4, p. 498-505 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Are adequate PROMs used as outcomes in randomized controlled trials? an analysis of 54 trials
Hansen, C. F., Jensen, J., Brodersen, John Brandt, Siersma, Volkert Dirk, Comins, J. D. & Krogsgaard, Michael R., 2021, In: Scandinavian Journal of Medicine & Science in Sports. 31, 5, p. 972-981 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Article three in a series of ten How to develop a condition-specific PROM
Comins, J. D., Brodersen, John Brandt, Siersma, Volkert Dirk, Jensen, J., Hansen, C. F. & Krogsgaard, Michael R., 2021, In: Scandinavian Journal of Medicine & Science in Sports. 31, 6, p. 1216-1224 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Assessment of content validity and psychometric properties of VISA-A for Achilles tendinopathy
Comins, J., Siersma, Volkert Dirk, Couppé, Christian, Svensson, R. B., Johansen, F., Malmgaard-Clausen, N. M. & Magnusson, Stig Peter, 2021, In: PLoS ONE. 16, 3, 12 p., 0247152.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Breaking potentially bad news of cancer workup to well-informed patients by telephone versus in-person: A randomised controlled trial on psychosocial consequences
Bodtger, U., Marsaa, K., Siersma, Volkert Dirk, Bang, C. W., Høegholm, A. & Brodersen, John Brandt, 2021, In: European Journal of Cancer Care. 30, 5, 11 p., e13435.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Choosing the most appropriate PROM for clinical studies in sports medicine: Article two in a series of ten
Comins, J. D., Brodersen, John Brandt, Siersma, Volkert Dirk, Jensen, J., Hansen, C. F. & Krogsgaard, Michael R., 2021, In: Scandinavian Journal of Medicine and Science in Sports. 31, 6, p. 1209-1215 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Chronic hyperglycemia, hypercholesterolemia, and metabolic syndrome are associated with risk of tendon injury
Skovgaard, D., Siersma, Volkert Dirk, Klausen, S. B., Visnes, H., Haukenes, I., Bang, C. W., Bager, P., Gravare Silbernagel, K., Gaida, J., Magnusson, Stig Peter, Kjær, Michael & Couppé, Christian, 2021, In: Scandinavian Journal of Medicine & Science in Sports. 31, 9, p. 1822-1831 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Conjunctival intraepithelial neoplasia and carcinoma: distinct clinical and histological features in relation to human papilloma virus status
Ramberg, Ingvild Margrethe Sellæg, Toft, Peter Bjerre, Georgsen, J. B., Siersma, Volkert Dirk, Funding, M., Jensen, D. H., von Buchwald, Christian & Heegaard, Steffen, 2021, In: British Journal of Ophthalmology. 105, 6, p. 878-883 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Criteria-based dispatch of emergency medical services in non-traumatic subarachnoid haemorrhage
Sonne, A., Andersen, Jesper, Eskesen, V., Lippert, F., Waldorff, Frans Boch, Bang, C. W., Siersma, Volkert Dirk, Lohse, Nicolai Rasch & Rasmussen, L. S., 2021, In: Danish Medical Journal. 68, 9, 9 p., 02210152.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Defining the surgical footprint in cataract surgery: patient-related outcomes dependent on the experience of the surgeon
Jacobsen, M. F., Holm, Lars Morten, Erichsen, J. H., Konge, Lars, Siersma, Volkert Dirk, la Cour, Morten & Thomsen, Ann Sofia Skou, 2021, In: Acta Ophthalmologica. 99, 7, p. e999-e1005 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Depression and anxiety symptoms in pregnant women in Denmark during COVID-19
Overbeck, Gritt, Andersen, Julie Høgsgaard, mxb897, mxb897, Rasmussen, Ida Scheel, Kragstrup, Jakob, Siersma, Volkert Dirk, Wilson, Philip Michael John & Ertmann, Ruth Kirk, 2021, In: Scandinavian Journal of Public Health. 49, 7, p. 721-729 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Diagnosis of urinary tract infection based on symptoms: How are likelihood ratios affected by age? a diagnostic accuracy study
Holm, Anne, Siersma, Volkert Dirk & Cordoba Currea, Gloria Cristina, 2021, In: BMJ Open. 11, 1, 7 p., e039871.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effectiveness of a tailored intervention to reduce antibiotics for urinary tract infections in nursing home residents: a cluster, randomised controlled trial
Arnold, Sif Helene, Jensen, J. N., Bjerrum, Lars, Siersma, Volkert Dirk, Bang, C. W., Kousgaard, Marius Brostrøm & Holm, Anne, 2021, In: Lancet Infectious Diseases. 21, 11, p. 1549-1556 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Factors associated with a clinically relevant reduction in menopausal symptoms of a standardized acupuncture approach for women with bothersome menopausal symptoms
Waldorff, Frans Boch, Bang, C. W., Siersma, Volkert Dirk, Brodersen, John Brandt & Lund, K. S., 2021, In: BMC Complementary Medicine and Therapies. 21, 1, 7 p., 29.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
How to translate and locally adapt a PROM: Assessment of cross-cultural differential item functioning
Krogsgaard, Michael R., Brodersen, John Brandt, Christensen, Karl Bang, Siersma, Volkert Dirk, Jensen, J., Hansen, C. F., Engebretsen, L., Visnes, H., Forssblad, M. & Comins, J. D., 2021, In: Scandinavian Journal of Medicine & Science in Sports. 31, 5, p. 999-1008 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Infant crying problems related to maternal depressive and anxiety symptoms during pregnancy: a prospective cohort study
Ölmestig, T. K., Siersma, Volkert Dirk, Birkmose, Anna Rubach, Kragstrup, Jakob & Ertmann, Ruth Kirk, 2021, In: BMC Pregnancy and Childbirth. 21, 1, 11 p., 777.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Influence of educational level on test and treatment for incident hypothyroidism
Møllehave, Line Tang, Jacobsen, R. K., Linneberg, Allan René, Skaaby, T., Knudsen, Nils Jakob, Jørgensen, T., Kårhus, L. L., Kriegbaum, Margit, Grand, Mia Klinten, Siersma, Volkert Dirk, Lind, B., Andersen, Christen Bertel L, Nygaard, Birte, Medici, B. B., Pedersen, I. B., Ravn-Haren, G. & Thuesen, B. H., 2021, In: Clinical Endocrinology. 94, 6, p. 1025-1034 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Long-term success after trabeculotomy in primary congenital glaucoma – a study with up to 35 years follow-up
Kessel, Line, Pedersen, K. B., Siersma, Volkert Dirk, Kappelgaard, P. & Bach-Holm, Daniella, 2021, In: Acta Ophthalmologica. 99, 4, p. 362-368 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Neurosurgical Admission Later Than 4 h After the Emergency Call Does Not Result in Worse Long-Term Outcome in Subarachnoid Haemorrhage
Sonne, A., Andersen, J. B., Eskesen, V., Lippert, F., Waldorff, Frans Boch, Siersma, Volkert Dirk, Lohse, Nicolai Rasch & Rasmussen, L. S., 2021, In: Frontiers in Neurology. 12Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Non-specific symptoms and signs of cancer: different organisations of a cancer patient pathway in Denmark
Damhus, Christina Sadolin, Siersma, Volkert Dirk, Dalton, Susanne Oksbjerg & Brodersen, John Brandt, 2021, In: Scandinavian Journal of Primary Health Care. 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Psychosocial consequences of a three-month follow-up after receiving an abnormal lung cancer CT-screening result: A longitudinal survey
Damhus, Christina Sadolin, Quentin, J. G., Malmqvist, J., Siersma, Volkert Dirk & Brodersen, John Brandt, 2021, In: Lung Cancer. 155, p. 46-52 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Psychosocial consequences of invitation to colorectal cancer screening: A matched cohort study
Malmqvist, J., Siersma, Volkert Dirk, Hestbech, Mie Sara, Nicolaisdottir, Dagny Ros, Bang, C. W. & Brodersen, John Brandt, 2021, In: Journal of Epidemiology and Community Health. 75, 9, 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Psychosocial consequences of screening-detected abdominal aortic aneurisms: a cross-sectional study
Damhus, Christina Sadolin, Siersma, Volkert Dirk, Hansson, A., Bang, C. W. & Brodersen, John Brandt, 2021, In: Scandinavian Journal of Primary Health Care. Supplement. 39, 4, p. 459-465 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 3512987
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Maternal stress and placental function, a study using questionnaires and biomarkers at birth
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Clinical indications for antibiotic use in Danish general practice: results from a nationwide electronic prescription database
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Biomonitoring of Danish school children and mothers including biomarkers of PBDE and glyphosate
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