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
- 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
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Changes in levels of haemoglobin A1c during the first 6 years after diagnosis of clinical type 2 diabetes
Olivarius, Niels de Fine, Siersma, Volkert Dirk, Hansen, Lars J, Drivsholm, Thomas & Horder, M., 2009, In: Scandinavian Journal of Clinical & Laboratory Investigation. 69, 8, p. 851-857 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Changes in patient weight and the impact of antidiabetic therapy during the first 5 years after diagnosis of diabetes mellitus
Olivarius, Niels de Fine, Andreasen, A. H., Siersma, Volkert Dirk, Richelsen, B. & Beck-Nielsen, H., 2006, In: Diabetologia. 49, 9, p. 2058-2067 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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Clinical accuracy of point-of-care urine culture in general practice
Holm, Anne, Cordoba Currea, Gloria Cristina, Sørensen, Tina Møller, Jessen, Lisbeth Rem, Frimodt-Møller, N., Siersma, Volkert Dirk & Bjerrum, Lars, Jun 2017, In: Scandinavian Journal of Primary Health Care. 35, 2, p. 170-177 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Clinical indications for antibiotic use in Danish general practice: results from a nationwide electronic prescription database
Aabenhus, Rune Munck, Hansen, M. P., Siersma, Volkert Dirk & Bjerrum, Lars, 2017, In: Scandinavian Journal of Primary Health Care. 35, 2, p. 162-169 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Cognitive dysfunction after minor surgery in the elderly
Canet, J., Raeder, J., Rasmussen, L. S., Enlund, M., Kuipers, H. M., Hanning, C. D., Jolles, J., Korttila, K., Siersma, Volkert Dirk, Dodds, C., Abildstrøm, H., Sneyd, J. R., Vila, P., Johnson, T. D., Corsini, L. M., Silverstein, J. H., Nielsen, I. K. & Møller, J. T., 2004, In: Acta Anaesthesiologica Scandinavica. 47, p. 1204-1210Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Communicating Test Results: Considering diagnostic and screening tests
Austin, L., Siersma, Volkert Dirk, Jensen, H. L. & Brodersen, John Brandt, 2009.Research output: Contribution to conference › Conference abstract for conference › Research
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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
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Comparing restrictive versus liberal oxygen strategies for trauma patients-the TRAUMOX2 trial: protocol for a randomised clinical trial
Baekgaard, J., Arleth, T., Siersma, Volkert Dirk, Hinkelbein, J., Yücetepe, S., Klimek, M., Van Vledder, M. G., Van Lieshout, E. M. M., Mikkelsen, S., Zwisler, S. T., Andersen, M., Fenger-Eriksen, C., Isbye, Dan Lou, Rasmussen, L. S. & Steinmetz, Jacob, 2022, In: BMJ Open. 12, 11, 9 p., e064047.Research output: Contribution to journal › Journal article › Research › peer-review
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Comparing the effect of non-medical mechanical restraint preventive factors between psychiatric units in Denmark and Norway.
Bak, J., Zoffmann, Vibeke, Sestoft, D. M., Almvik, R., Siersma, Volkert Dirk & Brandt-Christensen, M., 2015, In: Nordic Journal of Psychiatry. 69, 6, p. 1715-1725 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
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Consequences of screening in abdominal aortic aneurysm: development and dimensionality of a questionnaire
Brodersen, John Brandt, Hansson, A., Johansson, M., Siersma, Volkert Dirk, Langenskiöld, M. & Pettersson, M., 2018, In: Journal of Patient-Reported Outcomes. 2, 12 p., 37.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Consequences of screening in colorectal cancer (COS-CRC): development and dimensionality of a questionnaire
Malmqvist, J., Siersma, Volkert Dirk, Bang, C. W. & Brodersen, John Brandt, Dec 2021, In: BMC Psychology. 9, 1, 16 p., 7.Research output: Contribution to journal › Journal article › Research › peer-review
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Constitutive and ligand-induced TCR degradation
von Essen, Marina Rode, Bonefeld, Charlotte Menne, Siersma, Volkert Dirk, Rasmussen, A. B., Lauritsen, J. P. H., Nielsen, B. L. & Geisler, Carsten, 2004, In: Journal of Immunology. 173, 1, p. 384-93 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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
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Decreasing incidence of foot ulcer among patients with type 1 and type 2 diabetes in the period 2001-2014
Rasmussen, A., Almdal, Thomas Peter, Nielsen, A. A., Nielsen, K. E., Jørgensen, M. E., Hangaard, S., Siersma, Volkert Dirk & Holstein, P. E., Aug 2017, In: Diabetes Research and Clinical Practice. 130, p. 221-228 8 p.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
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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
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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329
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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