Volkert Dirk Siersma

Volkert Dirk Siersma

!!Statistiker, External Lecturer


  1. 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 journalJournal articleResearchpeer-review

  2. 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 journalJournal articleResearchpeer-review

  3. Published

    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 journalJournal articleResearchpeer-review

  4. Published

    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 journalJournal articleResearchpeer-review

  5. Published

    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 journalComment/debateResearchpeer-review

  6. Published

    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. 71-77

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    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. 1243-1253

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    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. 81-83

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    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 journalJournal articleResearchpeer-review

  10. Published

    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. 400

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    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 journalJournal articleResearchpeer-review

  12. Published

    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 journalLetterResearchpeer-review

  13. Published

    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. 1723-1731

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    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 journalJournal articleResearchpeer-review

  15. Published

    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 journalLetterResearchpeer-review

  16. Published

    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 journalComment/debateResearch

  17. Published

    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 journalJournal articleResearchpeer-review

  18. Published

    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 journalJournal articleResearchpeer-review

  19. Published
  20. Published

    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 journalJournal articleResearchpeer-review

  21. Published

    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 journalJournal articleResearchpeer-review

  22. 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 journalJournal articleResearchpeer-review

  23. Published

    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 journalJournal articleResearchpeer-review

  24. 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 journalJournal articleResearchpeer-review

  25. Published

    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 journalJournal articleResearchpeer-review

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ID: 3512987