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
- 2021
- 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
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
Symptom burden in multimorbidity: A population-based combined questionnaire and registry study from Denmark
Willadsen, Tora Grauers, Siersma, Volkert Dirk, Nicolaisdottir, Dagny Ros, Jarbol, D., Guassora, Ann Dorrit, Reventlow, Susanne & Køster-Rasmussen, Rasmus, 2021, In: BMJ Open. 11, 4, e041877.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
- 2020
- 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
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
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
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
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
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
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
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
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
- 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
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
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
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
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
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
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
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
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
- 2019
- 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
ID: 3512987
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761
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Maternal stress and placental function, a study using questionnaires and biomarkers at birth
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
329
downloads
Clinical indications for antibiotic use in Danish general practice: results from a nationwide electronic prescription database
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
326
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Biomonitoring of Danish school children and mothers including biomarkers of PBDE and glyphosate
Research output: Contribution to journal › Journal article › Research › peer-review
Published