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
- 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
- 2023
- Published
A cross-sectional study of the association between family conflicts and children's health: Lolland-Falster Health Study
Søndergaard, Elisabeth, Reventlow, Susanne, Siersma, Volkert Dirk, Nicolaisdottir, Dagny Ros, Jepsen, R., Rasmussen, K. & Møller, Anne, 2023, In: Child: Care, Health and Development. 49, 6, p. 972-984 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Assessment of the Psychometric Properties of the Danish VISA-P
Agergaard, Anne-Sofie, Comins, J. D., Siersma, Volkert Dirk, Malmgaard-Clausen, N. M., Couppé, Christian, Hjortshoej, M. H., Olesen, J. L. & Magnusson, Stig Peter, 2023, In: Translational Sports Medicine. 2023, 8 p., 5291949.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
C reactive protein-guided prescription of antibiotics for children under 12 years with respiratory symptoms in Kyrgyzstan: protocol for a randomised controlled clinical trial with 14 days follow-up
Isaeva, E., Bloch, J., Poulsen, A., Kurtzhals, Jørgen, Reventlow, Susanne, Siersma, Volkert Dirk, Akylbekov, A., Sooronbaev, T., Aabenhus, Rune Munck & Kjærgaard, J., 2023, In: BMJ Open. 13, 4, 6 p., e066806.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Colon cancer diagnosed in patients with non-specific symptoms - comparisons between diagnostic paradigms
Damhus, Christina Sadolin, Siersma, Volkert Dirk, Birkmose, Anna Rubach, Stovring, H., Dalton, Susanne Oksbjerg & Brodersen, John Brandt, 2023, In: Acta Oncologica. 62, 3, p. 272-280 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Comparing restrictive versus liberal oxygen strategies for trauma patients: The TRAUMOX2 trial—Statistical analysis plan
Arleth, T., Baekgaard, J., Siersma, Volkert Dirk, Klimek, M., Hinkelbein, J., Rasmussen, L. S., Steinmetz, Jacob & for The TRAUMOX2 Study Group, F. T. T. S. G., 2023, In: Acta Anaesthesiologica Scandinavica. 67, 6, 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Development of quality indicators for the diagnosis and treatment of urinary tract infections in general practice: a RAND appropriateness method
Saust, Laura Trolle, Siersma, Volkert Dirk, Bjerrum, Lars & Hansen, M. P., 2023, In: BMJ Open Quality. 12, 2, 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Evaluation of the Danish version of the prenatal parental reflective functioning questionnaire in early pregnancy as a screening tool
Schwartz, M., Rasmussen, Ida Scheel, Wilson, Philip Michael John, Overbeck, Gritt & Siersma, Volkert Dirk, 2023, In: Infant Mental Health Journal. 44, 3, 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Factors in early pregnancy predicting pregnancy-related pain in the second and third trimester
Ertmann, Ruth Kirk, Nicolaisdottir, Dagny Ros, Siersma, Volkert Dirk, Overbeck, Gritt, de Voss, Sarah Strøyer, Modin, F. A. & Lutterodt, Melissa C., 2023, In: Acta Obstetricia et Gynecologica Scandinavica. 102, 10, p. 1269-1280 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Family wellbeing in general practice: a study protocol for a cluster-randomised trial of the web-based resilience programme on early child development
Overbeck, Gritt, Kragstrup, Jakob, Gørtz, Mette, Rasmussen, Ida Scheel, mxb897, mxb897, Siersma, Volkert Dirk, de Voss, Sarah Strøyer, Ertmann, Ruth Kirk, Shahrzad, S., Appel, Clara Lundmark & Wilson, Philip Michael John, 2023, In: Trials. 24, 1, 12 p., 7.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Labour market attachment dynamics in patients with concussion: a Danish nationwide register-based cohort study
Graff, H. J., Siersma, Volkert Dirk, Møller, Anne, Waldorff, Frans Boch, Modin, F. A. & Rytter, Hana Malá, 2023, In: BMC Public Health. 23, 1, 11 p., 2493.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Long-term psychosocial consequences of false-positive screening mammography: a cohort study with follow-up of 12–14 years in Denmark
Gram, Emma Grundtvig, Siersma, Volkert Dirk & Brodersen, John Brandt, 2023, In: BMJ Open. 8 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
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
Research output: Contribution to journal › Journal article › Research › peer-review
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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