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
- 2016
- Published
Effects of numerical information on intention to participate in cervical screening among women offered HPV vaccination: a randomised study
Hestbech, Mie Sara, Gyrd-Hansen, D., Kragstrup, Jakob, Siersma, Volkert Dirk & Brodersen, John Brandt, 15 Nov 2016, In: Scandinavian Journal of Primary Health Care. 34, 4, p. 401-419 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sample size in qualitative interview studies: guided by information power
Malterud, Kirsti, Siersma, Volkert Dirk & Guassora, Ann Dorrit, Nov 2016, In: Qualitative Health Research. 26, 13, p. 1753-1760 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cerebrospinal Fluid Amyloid Beta and Tau Concentrations Are Not Modulated by 16 Weeks of Moderate- to High-Intensity Physical Exercise in Patients with Alzheimer Disease
Jensen, C. S., Portelius, E., Siersma, Volkert Dirk, Høgh, Peter, Wermuth, L., Blennow, K., Zetterberg, H., Waldemar, Gunhild, Hasselbalch, Steen & Simonsen, A. H., Oct 2016, In: Dementia and Geriatric Cognitive Disorders. 42, 3-4, p. 146-158 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effect of Total Dose of Lidocaine on Duration of Adductor Canal Block, Assessed by Different Test Methods: A Report of Two Blinded, Randomized, Crossover Studies in Healthy Volunteers
Jæger, P., Koscielniak-Nielsen, Z. J., Hilsted, K. L., Grevstad, U., Siersma, Volkert Dirk, Fabritius, M. L. & Dahl, J. B., Oct 2016, In: Anesthesia and Analgesia. 123, 4, p. 1026-1032 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Are CSF Biomarkers Useful as Prognostic Indicators in Diagnostically Unresolved Cognitively Impaired Patients in a Normal Clinical Setting
Nielsen, M. S., Simonsen, A. H., Siersma, Volkert Dirk, Hasselbalch, Steen & Høgh, Peter, Sep 2016, In: Dementia and Geriatric Cognitive Disorders. Extra. 6, 3, p. 465-476 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
How does HPV vaccination status relate to risk perceptions and intention to participate in cervical screening? a survey study
Hestbech, Mie Sara, Gyrd-Hansen, D., Kragstrup, Jakob, Siersma, Volkert Dirk & Brodersen, John Brandt, 3 Aug 2016, In: BMC Public Health. 16, p. 1-11 11 p., 708.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Antibiotic prescribing in Danish general practice 2004-13
Aabenhus, Rune Munck, Siersma, Volkert Dirk, Hansen, M. P. & Bjerrum, Lars, Aug 2016, In: Journal of Antimicrobial Chemotherapy. 71, 8, p. 2286-2294 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The role of the anterolateral ligament in ACL insufficient and reconstructed knees on rotary stability: A biomechanical study on human cadavers
Tavlo, M., Eljaja, S., Tranum-Jensen, Jørgen, Siersma, Volkert Dirk & Krogsgaard, Michael R., Aug 2016, In: Scandinavian Journal of Medicine & Science in Sports. 26, 8, p. 960-966Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Perioperative hyperoxia - Long-term impact on cardiovascular complications after abdominal surgery, a post hoc analysis of the PROXI trial
Fonnes, S., Gogenur, I., Sondergaard, E. S., Siersma, Volkert Dirk, Jørgensen, Lars Nannestad, Wetterslev, J. & Meyhoff, Christian Sylvest, 15 Jul 2016, In: International Journal of Cardiology. 215, p. 238-243Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Menopausal symptoms: Development and dimensionality of the MenoScores Questionnaire (MSQ)
Lund, K. S., Waldorff, Frans Boch, Siersma, Volkert Dirk & Brodersen, John Brandt, 15 Jun 2016.Research output: Contribution to conference › Conference abstract for conference › Research › peer-review
- Published
Associations between plasma concentrations of PCB 28 and possible indoor exposure sources in Danish school children and mothers
Egsmose, E. L., Bräuner, E. V., Frederiksen, M., Mørck, T. A., Siersma, Volkert Dirk, Hansen, P. W., Nielsen, F., Grandjean, P. & Knudsen, Lisbeth E., Feb 2016, In: Environment International. 87, p. 13-19 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Maternal pain influences her evaluation of recurrent pain in 6- to 11-year-old healthy children
mxb897, mxb897, Siersma, Volkert Dirk, Nielsen, Kirsten Lykke, Ertmann, Ruth Kirk, Knudsen, Lisbeth E. & Mäkelä, Marjukka, Feb 2016, In: Acta Paediatrica. 105, 2, p. 183-190 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The impact of gender on the long-term morbidity and mortality of patients with type 2 diabetes receiving structured personal care: A 13-year follow-up study
Krag, M. Ø., Hasselbalch, L., Siersma, Volkert Dirk, Nielsen, Anni Brit Sternhagen, Reventlow, Susanne, Malterud, Kirsti & Olivarius, Niels de Fine, Feb 2016, In: Diabetologia. 59, 2, p. 275-285 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Intentional Weight Loss and Longevity in Overweight Patients with Type 2 Diabetes: A Population-Based Cohort Study
Køster-Rasmussen, Rasmus, Simonsen, M. K., Siersma, Volkert Dirk, Henriksen, J. E., Heitmann, Berit & Olivarius, Niels de Fine, 25 Jan 2016, In: PloS one. 11, 1, p. 1-14 14 p., e0146889.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Long-term follow-up of trauma patients before and after implementation of a Physician-Staffed Helicopter: a prospective observational study
Funder, K. S., Rasmussen, L. S., Lohse, N., Siersma, Volkert Dirk, Hesselfeldt, R. & Steinmetz, Jacob, Jan 2016, In: Injury. 47, 1, p. 7-13 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
BRAF mutations in conjunctival melanoma: investigation of incidence, clinicopathological features, prognosis and paired premalignant lesions
Larsen, A., Dahl, C., Dahmcke, C. M., Lade-Keller, J., Siersma, Volkert Dirk, Toft, Peter Bjerre, Coupland, S. E., Prause, J. U., Guldberg, P. & Heegaard, Steffen, 2016, In: Acta Ophthamologica (Online). 94, 5, p. 463-470 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Dementia and traffic accidents: a Danish register-based cohort study
Petersen, Jindong Ding, Siersma, Volkert Dirk, Nielsen, C., Vass, Mikkel & Waldorff, Frans Boch, 2016, In: JMIR Research Protocols. 5, 3, p. e191Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effect of aerobic exercise on physical performance in patients with Alzheimer’s disease
Sobol, N. A., Hoffmann, K., Frederiksen, K. S., Vogel, A., Vestergaard, K., Brændgaard, H., Gottrup, H., Lolk, A., Wermuth, L., Jakobsen, S., Laugesen, L., Gergelyffy, R., Høgh, P., Bjerregaard, E., Siersma, Volkert Dirk, Andersen, B. B., Johannsen, P., Waldemar, G., Hasselbalch, S. G. & Beyer, N., 2016, In: Alzheimer's & Dementia. 12, 12, p. 1207–1215 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Informasjonsstyrke og utvalgsstørrelse i kvalitative studier
Malterud, Kirsti, Siersma, Volkert Dirk & Guassora, Ann Dorrit, 2016, In: Fysioterapeuten. 83, 8, p. 31 1 p.Research output: Contribution to journal › Journal article › Research
- Published
Micronucleus frequency in Danish school children and their mothers from the DEMOCOPHES population.
Mørck, T. A., Vande Loock, K., Poulsen, M. B., Siersma, Volkert Dirk, Nielsen, J. K. S., Hertel, O., Kirsch-Volders, M. & Knudsen, Lisbeth E., 2016, In: Mutagenesis. 31, 1, p. 1-8 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Moderate-to-high intensity physical exercise in patients with Alzheimer’s disease: a randomised controlled trial.
Hoffmann, K., Sobol, N. A., Frederiksen, K. S., Beyer, N. A-M., Vogel, A. M., Vestergaard, K., Brændgaard, H., Gottrup, H., Lolk, A., Wermuth, L., Jacobsen, S., Laugesen, L. P., Gergelyffy, R. G., Høgh, P., Bjerregaard, E., Andersen, B. B., Siersma, V. D., Johannsen, P., Cotman, C. W., Waldemar, G. & 1 others, , 2016, In: Journal of Alzheimer's Disease. 50, 2, p. 443-453 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
OP0006-HPR Even in The Long Run Nordic Walking Is Superior To Strength Training and Home Based Exercise for Improving Physical Function in Older People with Hip Osteoarthritis - An RCT
Bieler, T., Siersma, Volkert Dirk, Magnusson, Stig Peter, Kjær, M. & Beyer, N., 2016, In: Annals of the Rheumatic Diseases. 75, p. 55 1 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Poor self-rated health did not increase risk of permanent nursing placement or mortality in people with mild Alzheimer’s disease
Nielsen, Anni Brit Sternhagen, Siersma, Volkert Dirk, Waldemar, Gunhild & Waldorff, Frans Boch, 2016, In: B M C Geriatrics. 16, 87Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prevalence and clinical significance of neutropenia discovered in routine complete blood cell counts: a longitudinal study
Andersen, Christen Bertel L, Tesfa, D., Siersma, Volkert Dirk, Sandholdt, H., Hasselbalch, H., Bjerrum, O. W., Felding, P., Lind, B., Olivarius, Niels de Fine & Palmblad, J., 2016, In: Journal of Internal Medicine. 279, 6, p. 566-575Research output: Contribution to journal › Journal article › Research › peer-review
- Published
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
Published -
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