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
Standard complication screening information can be used for risk assessment for first time foot ulcer among patients with type 1 and type 2 diabetes
Hangaard, S., Rasmussen, A., Almdal, Thomas Peter, Nielsen, A. A., Nielsen, K. E., Siersma, Volkert Dirk & Holstein, P., 2019, In: Diabetes Research and Clinical Practice. 151, p. 177-186 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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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Four of five frequently used orthopedic PROMs possess inadequate content validity: a COSMIN evaluation of the mHHS, HAGOS, IKDC-SKF, KOOS and KNEES-ACL
Hansen, C. F., Jensen, J., Odgaard, Anders, Siersma, Volkert Dirk, Comins, J. D., Brodersen, John Brandt & Krogsgaard, Michael R., 2022, In: Knee Surgery, Sports Traumatology, Arthroscopy. 30, p. 3602–3615 14 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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Anemia is present years before myelodysplastic syndrome diagnosis: Results from the pre-diagnostic period
Hansen, Jakob Werner, Sandholdt, H., Siersma, Volkert Dirk, mxz703, mxz703, Holmberg, S., Bjerrum, O. W., Hasselbalch, Hans Carl, Olivarius, Niels de Fine, Grønbæk, Kirsten & Andersen, Christen Bertel L, Jul 2017, In: American Journal of Hematology. 92, 7, p. E130-E132 3 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
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Individualised treatment goals in diabetes care
Hansen, Lars J, Olivarius, Niels de Fine, Siersma, Volkert Dirk, Drivsholm, Thomas & Andersen, John Sahl, 2004, In: Scandinavian Journal of Primary Health Care. 22, p. 71-77Research output: Contribution to journal › Journal article › Research › peer-review
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Structured personal care of type 2 diabetes: a 19 year follow-up of the study Diabetes Care in General Practice (DCGP).
Hansen, Lars J, Siersma, Volkert Dirk, Beck-Nielsen, H. & Olivarius, Niels de Fine, 2013, In: Diabetologia. 56, 6, p. 1243-1253Research output: Contribution to journal › Journal article › Research › peer-review
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General practitioners need to pay more attention to their poorly controlled type 2 diabetic patients
Hansen, Lars J, Olivarius, Niels de Fine & Siersma, Volkert Dirk, 2005, In: European Journal of General Practice. 11, p. 81-83Research output: Contribution to journal › Journal article › Research › peer-review
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Encouraging structured personalised diabetes care in general practice
Hansen, Lars J, Olivarius, Niels de Fine, Siersma, Volkert Dirk, Beck-Nielsen, H. & Pedersen, P. A., 2003, In: Scandinavian Journal of Primary Health Care. 21, p. 89-95 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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16-year excess all-cause mortality of newly diagnosed type 2 diabetic patients: a cohort study
Hansen, Lars J, Olivarius, Niels de Fine & Siersma, Volkert Dirk, 2009, In: BMC Public Health. 9, p. 400Research output: Contribution to journal › Journal article › Research › peer-review
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Psychometric properties of brief indexes designed to measure social-cognitive predictors of smoking initiation
Hansen, P. E., Siersma, Volkert Dirk, Ross, L., Mortensen, Erik Lykke, Riegels, M., Tjornhøj-Thomsen, T. & Johansen, C., 2007, In: Drug and Alcohol Dependence. 88, 1, p. 64-74 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Effect of Storage Temperature for B-Type Natriuretic Peptide Concentrations for Primary Healthcare Populations Reply
Hejl, J. L., Grand, Mia Klinten, Siersma, Volkert Dirk, Goetze, Jens P. , Olivarius, Niels de Fine, Andersen, C. L. & Lind, B., 2019, In: Clinical Chemistry. 65, 6, p. 812-813 2 p.Research output: Contribution to journal › Letter › Research › peer-review
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Brain Natriuretic Peptide in Plasma as Predictor of All-Cause Mortality in a Large Danish Primary Health Care Population Suspected of Heart Failure
Hejl, J. L., Grand, Mia Klinten, Siersma, Volkert Dirk, Goetze, Jens P. , Olivarius, Niels de Fine, Andersen, Christen Bertel L & Lind, B., Dec 2018, In: Clinical Chemistry. 64, 12, p. 1723-1731Research output: Contribution to journal › Journal article › Research › peer-review
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Similar cardiovascular risk factor profile in screen-detected and known type 2 diabetic subjects
Heldgaard, P. E., Henriksen, J. E., Sidelmann, J. J., Olivarius, Niels de Fine, Siersma, Volkert Dirk & Gram, J. B., Jun 2011, In: Scandinavian Journal of Primary Health Care. 29, 2, p. 85-91 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Estimation of Overdiagnosis of Lung Cancer in Low-Dose Computed Tomography Screening: A Secondary Analysis of the Danish Lung Cancer Screening Trial
Heleno, B., Siersma, Volkert Dirk & Brodersen, John Brandt, 2018, In: JAMA Internal Medicine. 178, 10, p. 1420-1422 3 p.Research output: Contribution to journal › Letter › Research › peer-review
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Author Reply to Dr. Arleo and to Dr Newell
Heleno, B. M., Siersma, Volkert Dirk & Brodersen, John Brandt, 2015, In: Annals of Family Medicine.Research output: Contribution to journal › Comment/debate › Research
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Waiting time and the psychosocial consequences of false-positive mammography: cohort study.
Heleno, B. M., Siersma, Volkert Dirk & Brodersen, John Brandt, 30 Apr 2015, In: Journal of Negative Results in BioMedicine. 14, 8, p. 1-4 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Diagnostic Invasiveness and Psychosocial Consequences of False-Positive Mammography
Heleno, B. M., Siersma, Volkert Dirk & Brodersen, John Brandt, May 2015, In: Annals of Family Medicine. 13, 3, p. 242-249 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Socio-demographic determinants and effect of structured personal diabetes care: a 19-year follow-up of the randomized controlled study diabetes Care in General Practice (DCGP)
Heltberg, Andreas Søndergaard, Siersma, Volkert Dirk, Andersen, John Sahl, Ellervik, Christina, Brønnum-Hansen, Henrik, Kragstrup, Jakob & Olivarius, Niels de Fine, 8 Dec 2017, In: B M C Endocrine Disorders. 17, p. 1-11 11 p., 75.Research output: Contribution to journal › Journal article › Research › peer-review
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Social disparities in diabetes care: a general population study in Denmark
Heltberg, Andreas Søndergaard, Andersen, John Sahl, Kragstrup, Jakob, Siersma, Volkert Dirk, Sandholdt, H. & Ellervik, Christina, 2017, In: Scandinavian Journal of Primary Health Care. 35, 1, p. 54–63 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Predictors of undiagnosed prevalent type 2 diabetes: The Danish General Suburban Population Study.
Heltberg, Andreas Søndergaard, Andersen, John Sahl, Sandholdt, H., Siersma, Volkert Dirk, Kragstrup, Jakob & Ellervik, Christina, Feb 2018, In: Primary Care Diabetes. 12, 1, p. 13-22 10 p., 28964672.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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The impact of HPV vaccination on future cervical screening: a simulation study of two birth cohorts in Denmark
Hestbech, Mie Sara, Lynge, Elsebeth, Kragstrup, Jakob, Siersma, Volkert Dirk, Vazquez-Prada Baillet, M. & Brodersen, John Brandt, 14 Aug 2015, In: B M J Open. 5, 8, p. 1-7 7 p., e007921.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Participation bias in a randomised trial of screening for lung cancer
Hestbech, Mie Sara, Siersma, Volkert Dirk, Dirksen, A., Pedersen, J. H. & Brodersen, John Brandt, 2011, In: Lung Cancer. 73, 3, p. 325-31 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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329
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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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