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
- 2023
- Published
Measuring needs-based quality of life and self-perceived health inequity in patients with multimorbidity: investigating psychometric measurement properties of the MultiMorbidity Questionnaire (MMQ) using primarily Rasch models
Bissenbakker, Kristine Henderson, Siersma, Volkert Dirk, Jønsson, Alexandra Brandt Ryborg, Møller, Anne, Christensen, Karl Bang & Brodersen, John Brandt, 2023, In: Journal of Patient-Reported Outcomes. 7, 1, 15 p., 94.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Monocytosis in primary care and risk of haematological malignancies
Christensen, M. E., Siersma, Volkert Dirk, Kriegbaum, Margit, Lind, B. S., Samuelsson, J., Østgård, L. S. G., Grønbæk, Kirsten & Andersen, Christen Bertel L, 2023, In: European Journal of Haematology. 110, 4, p. 362-370 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Multimorbidity in patients with low back pain in Danish chiropractic practice: a cohort study
Rafn, B. S., Hartvigsen, J., Siersma, Volkert Dirk & Andersen, John Sahl, 2023, In: Chiropractic and Manual Therapies. 31, 1, 11 p., 8.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Occupational physical activity predicts baseline and 8-year progression of carotid atherosclerosis among women
Korshøj, M., Allesøe, K., Mortensen, Ole Steen, Siersma, Volkert Dirk, Kauhanen, J. & Krause, N., 2023, In: Scandinavian Journal of Medicine and Science in Sports. 33, 9, p. 1792-1806 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
School performances in children with cataract: results from a population-based cohort study
Al-Bakri, M., Skovgaard, A. M., Bach-Holm, Daniella, Larsen, D. A., Siersma, Volkert Dirk & Kessel, Line, 2023, In: BMJ Open. 13, 8, 9 p., e072984.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Severity and Bothersomeness of Urinary Tract Infection Symptoms in Women before and after Menopause
Teglbrænder-Bjergkvist, S., Siersma, Volkert Dirk & Holm, Anne, 2023, In: Antibiotics. 12, 7, 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Social relations and leisure activities as predictors of wellbeing among older adults with multiple sclerosis: A cross-sectional survey study in Denmark
Bergien, Sofie Olsgaard, Siersma, Volkert Dirk, Kristiansen, Maria & Skovgaard, L., 2023, In: Multiple Sclerosis and Related Disorders. 77, 8 p., 104878.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Specific location of ocular adnexal lymphoma and mortality: an international multicentre retrospective study
Vest, S. D., Coupland, S. E., Esmaeli, B., Finger, P. T., Graue, G. F., Grossniklaus, H. E., Hindso, T. G., Holm, F., Honavar, S. G., Khong, J. J., Kirkegaard, M. K., McKelvie, P. A., Mikkelsen, L. H., Mulay, K., Rasmussen, P. K., Siersma, V., Sjö, L. D., Sniegowski, M. C., Thuro, B. A., Vemuganti, G. K. & 1 others, , 2023, In: British Journal of Ophthalmology. 107, 9, p. 1231-1238 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The SOFIA pilot study: assessing feasibility and fidelity of coordinated care to reduce excess mortality and increase quality of life in patients with severe mental illness in a general practice setting; a cluster-randomised pilot trial
Jensen, Katrine Tranberg, Jønsson, Alexandra Brandt Ryborg, Due, Tina Drud, Siersma, Volkert Dirk, Brodersen, John Brandt, Bissenbakker, Kristine Henderson, Martiny, Frederik Handberg Juul, Davidsen, Annette Sofie, Kjellberg, P. K., Doherty, K., Mercer, S. W., Nielsen, Maria Haahr, Reventlow, Susanne, Møller, Anne, Rozing, M. & SOFIA Study Group, S. S. G., 2023, In: BMC Primary Care. 24, 1, 11 p., 188.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The impact of influences in a medical screening programme invitation: a randomized controlled trial
Jauernik, Christian Patrick, Rahbek, O. J., Ploug, T., Siersma, Volkert Dirk & Brodersen, John Brandt, 2023, In: European Journal of Public Health. 33, 3, 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
- Published
The long-term psychosocial consequences of screen-detected ductal carcinoma in situ and invasive breast cancer
Gram, Emma Grundtvig, Manso, T. F. R., Heleno, B., Siersma, Volkert Dirk, Rogvi, J. Á. & Brodersen, John Brandt, 2023, In: The Breast. 70, p. 41-48 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The long-term psychosocial impact of screen-detected DCIS – further support to rename DCIS
Gram, Emma Grundtvig, Siersma, Volkert Dirk & Brodersen, John Brandt, 2023, In: BMJ Evidence-Based Medicine. 28, Supplement 1Research output: Contribution to journal › Conference abstract in journal › Research
- Published
The predictive value of common symptoms in early pregnancy for complications later in pregnancy and at birth
Ertmann, Ruth Kirk, Nicolaisdottir, Dagny Ros, Kragstrup, Jakob, Overbeck, Gritt, Kriegbaum, Margit & Siersma, Volkert Dirk, 2023, In: Acta Obstetricia et Gynecologica Scandinavica. 102, 1, p. 33-42 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The risk of bleeding and perforation from sigmoidoscopy or colonoscopy in colorectal cancer screening: A systematic review and meta-analyses
Kindt, I. S., Martiny, Frederik Handberg Juul, Gram, Emma Grundtvig, Bie, A. K. L., Jauernik, Christian Patrick, Rahbek, O. J., Nielsen, S. B., Siersma, Volkert Dirk, Bang, C. W. & Brodersen, John Brandt, 2023, In: PLoS ONE. 18, 10, 17 p., e0292797.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Uptake of signposting to web-based resources: pregnant women’s use of a preventive web-based intervention
Sørensen, E. R., Rasmussen, Ida Scheel, Overbeck, Gritt, Siersma, Volkert Dirk, Appel, Clara Lundmark & Wilson, Philip Michael John, 2023, In: BMC Primary Care. 24, 11 p., 189.Research output: Contribution to journal › Journal article › Research › peer-review
- 2024
- Published
Allogeneic mesenchymal stem cell therapy for dry eye disease in patients with Sjögren's syndrome: A randomized clinical trial
Møller-Hansen, M., Larsen, A. C., Wiencke, Anne Katrine Riise, Terslev, Lene, Siersma, Volkert Dirk, Andersen, T. T., Hansen, Adam Espe, Bruunsgaard, Helle, Haack-Sørensen, M., Ekblond, A., Kastrup, J., Utheim, T. P. & Heegaard, Steffen, 2024, In: Ocular Surface. 31, p. 1-8 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Deaths and cardiopulmonary events following colorectal cancer screening—A systematic review with meta-analyses
Martiny, Frederik Handberg Juul, Bie, A. K. L., Jauernik, Christian Patrick, Rahbek, O. J., Nielsen, S. B., Gram, Emma Grundtvig, Kindt, I. S., Siersma, Volkert Dirk & Brodersen, John Brandt, 2024, In: PLoS ONE. 19, 3, 23 p., e0295900.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Developing a prediction model to identify people with severe mental illness without regular contact to their GP - a study based on data from the Danish national registers
Naesager, A. H. D., Damgaard, S. N., Rozing, Maarten Pieter, Siersma, Volkert Dirk, Møller, Anne & Jensen, Katrine Tranberg, 2024, In: BMC Psychiatry. 24, 1, 12 p., 301.Research output: Contribution to journal › Journal article › Research › peer-review
- E-pub ahead of print
Development and implementation of a tool for measuring the training effectiveness of the patient-centered consultation mode
Jørgensen, Merete, Thorsen, Hanne, Siersma, Volkert Dirk & Bang, C. W., 2024, (E-pub ahead of print) In: MedEPublish. 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effectiveness of an adaptive, multifaceted intervention to enhance care for patients with complex multimorbidity in general practice: protocol for a pragmatic cluster randomised controlled trial (the MM600 trial)
Holm, Anne, Lyhnebeck, A. B., Rozing, Maarten Pieter, Buhl, S. F., Willadsen, Tora Grauers, Prior, A., Christiansen, Ann-Kathrin Lindahl, Kristensen, J., Andersen, John Sahl, Waldorff, Frans Boch, Siersma, Volkert Dirk, Brodersen, John Brandt, Reventlow, Susanne & MM600 project team, M. P. T., 2024, In: BMJ Open. 14, 2, 11 p., e077441.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Long-term functional and structural outcomes in patients with primary congenital glaucoma — A Danish nationwide study
Brynskov, T., Bach-Holm, Daniella, Kappelgaard, P., Siersma, Volkert Dirk, Pedersen, Karen Bjerg & Kessel, Line, 2024, In: Acta Ophthalmologica. 102, 2, p. 228-237 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mental healthcare utilisation among Danish formerly deployed military personnel and their civilian counterparts: a cohort study
Stoltenberg, Christian Ditlev G, Vedtofte, M. S., Nielsen, Anni Brit Sternhagen, Andersen, S. B., Siersma, Volkert Dirk, Christensen, K. S. & Osler, Merete, 2024, In: European Journal of Psychotraumatology. 15, 1, 12 p., 2296188.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Ophthalmic symptoms, clinical signs and diagnostic delay in infants diagnosed with brain tumours in Denmark between 2007 and 2017
Turanzas, N. J., Mathiasen, René, Heegaard, Steffen, Schmiegelow, Kjeld, Sehested, A., Holtz, J. K., Siersma, Volkert Dirk, Nissen, K. R. & von Holstein, Sarah Linea, 2024, In: Acta Ophthalmologica. 102, 3, p. 334-341 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Relationship between cumulative exposure to occupational lifting throughout working life and risk of ischemic heart disease in men and women. The Copenhagen Aging and Midlife Biobank
Korshøj, M., Møller, Anne, Siersma, Volkert Dirk, Lund, Rikke, Hougaard, Charlotte Ørsted, Mortensen, Ole Steen & Allesøe, K., 2024, In: Annals of Work Exposures and Health. 68, 2, p. 109–121 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sociodemographic characterisation of antibiotic heavy users in the Danish elderly population
Jensen, Maria Louise Veimer, Aabenhus, Rune Munck, Holzknecht, Barbara Juliane, Bjerrum, Lars, Siersma, Volkert Dirk, Cordoba Currea, Gloria Cristina & Jensen, J. N., 2024, In: Scandinavian Journal of Public Health. 52, 1, p. 51-58 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The development of type 2 diabetes management in people with severe mental illness in the Capital Region of Denmark from 2001 to 2015
Bakkedal, Catrine, Persson, F., Christensen, Mikkel Bring, Kriegbaum, Margit, Mohr, G. H., Andersen, John Sahl, Lind, B. S., Lykkegaard, C., Siersma, Volkert Dirk & Rozing, Maarten Pieter, 2024, In: Acta Psychiatrica Scandinavica. 149, 3, p. 219-233 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The feasibility of C-reactive protein point-of-care testing to reduce overuse of antibiotics in children with acute respiratory tract infections in rural Kyrgyzstan: A Pilot Study
Isaeva, E., Akylbekov, A., Bloch, J., Poulsen, A., Kurtzhals, Jørgen, Siersma, Volkert Dirk, Sooronbaev, T., Aabenhus, Rune Munck & Kjærgaard, J., 2024, In: Pediatric health, medicine and therapeutics. 15, p. 67-76 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
To allow or avoid pain during shoulder rehabilitation exercises for patients with chronic rotator cuff tendinopathy-Study protocol for a randomized controlled trial (the PASE trial)
Kjær, B. H., Cools, A. M., Johannsen, F. E., Trøstrup, J., Bieler, T., Siersma, Volkert Dirk & Magnusson, Stig Peter, 2024, In: Trials. 25, 1, 19 p., 135.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Validation of the psychosocial consequences of screening in lung cancer questionnaire in the international lung screen trial Australian cohort
Bonney, A., Brodersen, John Brandt, Siersma, Volkert Dirk, See, K., Marshall, H. M., Steinfort, D., Irving, L., Lin, L., Li, J., Pang, S., Fogarty, P., Brims, F., McWilliams, A., Stone, E., Lam, S., Fong, K. M. & Manser, R., 2024, In: Health and Quality of Life Outcomes. 22, 1, 13 p., 10.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
Research output: Contribution to journal › Journal article › Research › peer-review
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332
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Clinical indications for antibiotic use in Danish general practice: results from a nationwide electronic prescription database
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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