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
- 2022
- Published
Use and diagnostic outcomes of cancer patient pathways in Denmark - is the place of initial diagnostic work-up an important factor?
Damhus, Christina Sadolin, Siersma, Volkert Dirk, Birkmose, Anna Rubach, Dalton, Susanne Oksbjerg & Brodersen, John Brandt, 2022, In: BMC Health Services Research. 22, 1, 12 p., 130.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The association of a past childbirth experience with a variety of early physical and mental symptoms in subsequent pregnancies
Davidsen, A. S., Birkmose, Anna Rubach, Kragstrup, Jakob, Siersma, Volkert Dirk & Ertmann, Ruth Kirk, 2022, In: Midwifery. 112, 7 p., 103406.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Acetabular retroversion does not affect outcome in primary hip arthroscopy for femoroacetabular impingement
Dippmann, Christian Andreas, Siersma, Volkert Dirk, Overgaard, Søren & Krogsgaard, Michael R., 2022, In: Knee Surgery, Sports Traumatology, Arthroscopy. 30, p. 3535–3543 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Antibiotic treatment of community-acquired pneumonia: a questionnaire survey in Danish general practice
Eggers-Kaas, L., Bisgaard, L., Thomsen, J. L., Jarbøl, D. E., Llor, C., Christensen, M. B., Bjerrum, Lars, Siersma, Volkert Dirk & Hansen, M. P., 2022, In: Basic & Clinical Pharmacology & Toxicology. 130, 1, p. 151-157 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mental vulnerability before and depressive symptoms during pregnancy and postpartum: a prospective population-based cohort study from general practice
Ertmann, Ruth Kirk, Lyngsøe, B. K., Nicolaisdottir, Dagny Ros, Kragstrup, Jakob & Siersma, Volkert Dirk, 2022, In: Nordic Journal of Psychiatry. 76, 4, p. 243-249 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Physical activity paradox: could inflammation be a key factor?
Feinberg, J. B., Møller, Anne, Siersma, Volkert Dirk, Bruunsgaard, Helle & Mortensen, Ole Steen, 2022, In: British Journal of Sports Medicine. 56, 21, p. 1224-1229Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Long-term psychosocial consequences of breast cancer screening – a matched cohort study
Gram, Emma Grundtvig, Brodersen, John Brandt & Siersma, Volkert Dirk, 2022, In: BMJ Evidence-Based Medicine. 27, Supplement 1, 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Four of five frequently used orthopedic PROMs possess inadequate content validity: a COSMIN evaluation of the mHHS, HAGOS, IKDC-SKF, KOOS and KNEES-ACL
Hansen, C. F., Jensen, J., Odgaard, Anders, Siersma, Volkert Dirk, Comins, J. D., Brodersen, John Brandt & Krogsgaard, Michael R., 2022, In: Knee Surgery, Sports Traumatology, Arthroscopy. 30, p. 3602–3615 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effects of Implementing the Short-Term Assessment of Risk and Treatability for Mechanical Restraint in a Forensic Male Population: A Stepped-Wedge, Cluster-Randomized Design
Hvidhjelm, J., Brandt-Christensen, M., Delcomyn, C., Møllerhøj, J., Siersma, Volkert Dirk & Bak, J., 2022, In: Frontiers in Psychiatry. 13, 9 p., 822295.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prior Antibiotic Use Increases Risk of Urinary Tract Infections Caused by Resistant Escherichia coli among Elderly in Primary Care: A Case-Control Study
Jensen, Maria Louise Veimer, Siersma, Volkert Dirk, Søes, L. M., Nicolaisdottir, Dagny Ros, Bjerrum, Lars & Holzknecht, Barbara Juliane, 2022, In: Antibiotics. 11, 10, 11 p., 1382.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Ocular graft-versus-host disease and dry eye disease after paediatric haematopoietic stem cell transplantation - incidence and risk factors
Jeppesen, H., Kielsen, K., Siersma, Volkert Dirk, Lindegaard, J., Julian, H. O., Heegaard, Steffen, Sengeløv, Henrik & Muller, Klaus, 2022, In: Bone Marrow Transplantation. 57, p. 487–498 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Use of online material in teaching general practice: Brug af online material i undervisningen i almen medicin
Jørgensen, Merete, Witt, K., Mäkelä, Marjukka, Siersma, Volkert Dirk & Bang, C. W., 2022, In: Læring og Medier. 14, 24, 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
P05-13 Associations between occupational physical activity and progression of carotid atherosclerosis among middle-aged women, are those with pre-existing cardiovascular disease more vulnerable?
Korshoj, M., Allesoe, K., Mortensen, Ole Steen, Siersma, Volkert Dirk & Kauhanen, J., 2022, In: European Journal of Public Health. 32, 1 p.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
- Published
Short and long-term psychosocial consequences of participating in a colorectal cancer screening programme: a matched longitudinal study
Malmqvist, J., Siersma, Volkert Dirk, Hestbech, Mie Sara, Bang, C. W., Nicolaisdottir, Dagny Ros & Brodersen, John Brandt, 2022, In: BMJ Evidence-Based Medicine. 27, 2, 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Social relations and contact with general practitioner in a middle-aged Danish population: a prospective register- and survey-based cohort study
Mikkelsen, A. S. B., Lund, Rikke, Siersma, Volkert Dirk, Jørgensen, Terese Sara Høj, Christensen, Ulla & Kristiansen, Maria, 2022, In: BMC Health Services Research. 22, 481, 481.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mental well-being during stages of COVID-19 lockdown among pregnant women and new mothers
Overbeck, Gritt, Rasmussen, Ida Scheel, Siersma, Volkert Dirk, Kragstrup, Jakob, Ertmann, Ruth Kirk & Wilson, Philip Michael John, 2022, In: BMC Pregnancy and Childbirth. 22, 1, 7 p., 92.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Changes in leisure time physical activity unrelated to subsequent body weight changes, but body weight changes predicted future activity
Petersen, Jindong Ding, Siersma, Volkert Dirk, Andersen, M. K. K. & Heitmann, Berit, 2022, In: Journal of Sports Sciences. 40, 3, p. 288-298 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Diagnosis and Antibiotic Treatment of Urinary Tract Infections in Danish General Practice: A Quality Assessment
Saust, Laura Trolle, Siersma, Volkert Dirk, Lykkegaard, J., Bjerrum, Lars & Hansen, M. P., 2022, In: Antibiotics. 11, 12, 10 p., 1759.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Incidence of new-onset type 2 diabetes after cancer: A Danish cohort study
Sylow, Lykke, Grand, Mia Klinten, von Heymann, A., Persson, F., Siersma, Volkert Dirk, Kriegbaum, Margit, Andersen, Christen Bertel L & Johansen, Christoffer, 2022, In: Diabetes Care. 45, 6, p. e105-e106 2 p.Research output: Contribution to journal › Letter › Research › peer-review
- Published
Influence of Antimicrobial Resistance on the Course of Symptoms in Female Patients Treated for Uncomplicated Cystitis Caused by Escherichia coli
Waldorff, M. S., Bjerrum, Lars, Holm, Anne, Siersma, Volkert Dirk, Bang, C., Llor, C. & Cordoba Currea, Gloria Cristina, 2022, In: Antibiotics. 11, 2, 10 p., 188.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The effect of disease onset chronology on mortality among patients with multimorbidity: A Danish nationwide register study
Willadsen, Tora Grauers, Siersma, Volkert Dirk, Nicolaisdottir, Dagny Ros, Køster-Rasmussen, Rasmus, Reventlow, Susanne & Rozing, Maarten Pieter, 2022, In: J Multimorb Comorb .. 12, 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2021
- 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
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
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
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
ID: 3512987
Most downloads
-
761
downloads
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
downloads
Biomonitoring of Danish school children and mothers including biomarkers of PBDE and glyphosate
Research output: Contribution to journal › Journal article › Research › peer-review
Published