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
A catalogue of PROMs in sports science: Quality assessment of PROM development and validation
Hansen, C. F., Jensen, J., Siersma, Volkert Dirk, Brodersen, John Brandt, Comins, J. D. & Krogsgaard, Michael R., 2021, In: Scandinavian Journal of Medicine and Science in Sports. 31, 5, p. 991-998 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Are adequate PROMs used as outcomes in randomized controlled trials? an analysis of 54 trials
Hansen, C. F., Jensen, J., Brodersen, John Brandt, Siersma, Volkert Dirk, Comins, J. D. & Krogsgaard, Michael R., 2021, In: Scandinavian Journal of Medicine & Science in Sports. 31, 5, p. 972-981 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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
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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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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 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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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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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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Depression and anxiety symptoms in pregnant women in Denmark during COVID-19
Overbeck, Gritt, Andersen, Julie Høgsgaard, mxb897, mxb897, Rasmussen, Ida Scheel, Kragstrup, Jakob, Siersma, Volkert Dirk, Wilson, Philip Michael John & Ertmann, Ruth Kirk, 2021, In: Scandinavian Journal of Public Health. 49, 7, p. 721-729 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Diagnosis of urinary tract infection based on symptoms: How are likelihood ratios affected by age? a diagnostic accuracy study
Holm, Anne, Siersma, Volkert Dirk & Cordoba Currea, Gloria Cristina, 2021, In: BMJ Open. 11, 1, 7 p., e039871.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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How to translate and locally adapt a PROM: Assessment of cross-cultural differential item functioning
Krogsgaard, Michael R., Brodersen, John Brandt, Christensen, Karl Bang, Siersma, Volkert Dirk, Jensen, J., Hansen, C. F., Engebretsen, L., Visnes, H., Forssblad, M. & Comins, J. D., 2021, In: Scandinavian Journal of Medicine & Science in Sports. 31, 5, p. 999-1008 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Influence of educational level on test and treatment for incident hypothyroidism
Møllehave, Line Tang, Jacobsen, R. K., Linneberg, Allan René, Skaaby, T., Knudsen, Nils Jakob, Jørgensen, T., Kårhus, L. L., Kriegbaum, Margit, Grand, Mia Klinten, Siersma, Volkert Dirk, Lind, B., Andersen, Christen Bertel L, Nygaard, Birte, Medici, B. B., Pedersen, I. B., Ravn-Haren, G. & Thuesen, B. H., 2021, In: Clinical Endocrinology. 94, 6, p. 1025-1034 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Long-term success after trabeculotomy in primary congenital glaucoma – a study with up to 35 years follow-up
Kessel, Line, Pedersen, K. B., Siersma, Volkert Dirk, Kappelgaard, P. & Bach-Holm, Daniella, 2021, In: Acta Ophthalmologica. 99, 4, p. 362-368 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Neurosurgical Admission Later Than 4 h After the Emergency Call Does Not Result in Worse Long-Term Outcome in Subarachnoid Haemorrhage
Sonne, A., Andersen, J. B., Eskesen, V., Lippert, F., Waldorff, Frans Boch, Siersma, Volkert Dirk, Lohse, Nicolai Rasch & Rasmussen, L. S., 2021, In: Frontiers in Neurology. 12Research output: Contribution to journal › Journal article › Research › peer-review
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Non-specific symptoms and signs of cancer: different organisations of a cancer patient pathway in Denmark
Damhus, Christina Sadolin, Siersma, Volkert Dirk, Dalton, Susanne Oksbjerg & Brodersen, John Brandt, 2021, In: Scandinavian Journal of Primary Health Care. 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Psychosocial consequences of a three-month follow-up after receiving an abnormal lung cancer CT-screening result: A longitudinal survey
Damhus, Christina Sadolin, Quentin, J. G., Malmqvist, J., Siersma, Volkert Dirk & Brodersen, John Brandt, 2021, In: Lung Cancer. 155, p. 46-52 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Psychosocial consequences of invitation to colorectal cancer screening: A matched cohort study
Malmqvist, J., Siersma, Volkert Dirk, Hestbech, Mie Sara, Nicolaisdottir, Dagny Ros, Bang, C. W. & Brodersen, John Brandt, 2021, In: Journal of Epidemiology and Community Health. 75, 9, 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Psychosocial consequences of screening-detected abdominal aortic aneurisms: a cross-sectional study
Damhus, Christina Sadolin, Siersma, Volkert Dirk, Hansson, A., Bang, C. W. & Brodersen, John Brandt, 2021, In: Scandinavian Journal of Primary Health Care. Supplement. 39, 4, p. 459-465 7 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
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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
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