Volkert Dirk Siersma

Volkert Dirk Siersma

Part-time lecturer, Statistician


  1. 2019
  2. Published

    Association between perioperative hyperoxia and cerebrovascular complications after laparotomy-A post-hoc follow-up study. / Kongebro, Emilie Katrine; Jørgensen, Lars N.; Siersma, Volkert D.; Meyhoff, Christian Sahlholt.

    In: Acta Anaesthesiologica Scandinavica, Vol. 63, No. 2, 2019, p. 164-170.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Association of the blood eosinophil count with end-organ symptoms. / Bjerrum, Ole Weis; Siersma, Volkert; Hasselbalch, Hans Carl; Lind, Bent; Andersen, Christen Lykkegaard.

    In: Annals of Medicine and Surgery, Vol. 45, 2019, p. 11-18.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Changes in Prescription Routines for Treating Hypothyroidism Between 2001 and 2015 : An Observational Study of 929,684 Primary Care Patients in Copenhagen. / Medici, Bjarke Borregaard; Nygaard, Birte; la Cour, Jeppe Lerche; Grand, Mia Klinten; Siersma, Volkert; Nicolaisdottir, Dagny Ros; Lind, Bent; Olivarius, Niels de Fine; Andersen, Christen Lykkegaard.

    In: Thyroid, Vol. 29, No. 7, 2019, p. 910-919.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Cumulative physical workload and mobility limitations in middle-aged men and women : a population-based study with retrospective assessment of workload. / Møller, Anne; Mänty, Minna; Andersen, Lars L.; Siersma, Volkert; Lund, Rikke; Mortensen, Ole Steen.

    In: International Archives of Occupational and Environmental Health, Vol. 92, No. 5, 2019, p. 651-660.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    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, René Depont; Storsveen, Maria Munch; Nielsen, Connie Thurøe; Vass, Mikkel; Waldorff, Frans Boch.

    In: Scandinavian Journal of Public Health, Vol. 47, No. 2, 2019, p. 221-228.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Domain-specific cognitive dysfunction after cardiac surgery. A secondary analysis of a randomized trial. / Vedel, Anne G.; Holmgaard, Frederik; Siersma, Volkert; Langkilde, Annika; Paulson, Olaf B.; Ravn, Hanne B.; Nilsson, Jens Chr.; Rasmussen, Lars S.

    In: Acta Anaesthesiologica Scandinavica, Vol. 63, No. 6, 2019, p. 730-738.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Effect of Storage Temperature for B-Type Natriuretic Peptide Concentrations for Primary Healthcare Populations Reply. / Hejl, Julie L.; Grand, Mia K.; Siersma, Volkert; Goetze, Jens P.; Olivarius, Niels de Fine; Andersen, Christen L.; Lind, Bent.

    In: Clinical Chemistry, Vol. 65, No. 6, 2019, p. 812-813.

    Research output: Contribution to journalLetterResearchpeer-review

  9. E-pub ahead of print

    Effect of a participatory patient education programme (NExt EDucation) in group-based patient education among Danes with type 2 diabetes. / Christoffersen, Lea A.N.; Hansen, Anne K.; Pals, Regitze A.S.; Willaing, Ingrid; Siersma, Volkert; Olesen, Kasper.

    In: Chronic Illness, 2019.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Efficacy of a standardised acupuncture approach for women with bothersome menopausal symptoms : a pragmatic randomised study in primary care (the ACOM study). / Lund, Kamma Sundgaard; Siersma, Volkert; Brodersen, John; Waldorff, Frans Boch.

    In: BMJ Open, Vol. 9, No. 1, 2019, p. e023637.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Five-year trends in marital stability, academic achievement, and socioeconomic indicators after concussion : a national register study. / Graff, Heidi Jeannet; Siersma, Volkert Dirk; Møller, Anne; Egerod, Ingrid Eugenie; Rytter, Hana Malá.

    In: Journal of Head Trauma Rehabilitation, 2019, p. 1-9.

    Research output: Contribution to journalJournal articleResearchpeer-review

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