Volkert Dirk Siersma

Volkert Dirk Siersma

!!Statistiker, External Lecturer

ORCID: 0000-0003-1941-2681

Publication year:
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1 - 25 out of 380Page size: 25
  1. 2002
  2. Published

    Endo- and exocytic rate constants for spontaneous and protein kinase C-activated T cell receptor cycling

    Bonefeld, Charlotte Menne, Møller Sørensen, T., Siersma, Volkert Dirk, von Essen, Marina Rode, Ødum, Niels & Geisler, Carsten, 2002, In: European Journal of Immunology. 32, 3, p. 616-26 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Postoperative Cognitive Dysfunction in Middle-aged Patients

    Johnson, T., Monk, T., Rasmussen, L. S., Abildstrøm, H., Houx, P., Korttila, K., Kuipers, H. M., Hanning, C. D., Siersma, Volkert Dirk, Kristensen, D., Canet, J., Ibanaz, M. T. & Møller, J. T., 2002, In: Anesthesiology. 96, p. 1351-7

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. 2003
  5. Published

    Does anaesthesia cause postoperative cognitive dysfunction? A randomised study of regional versus general anaesthesia in 438 elderly patients

    Rasmussen, L. S., Johnson, T. D., Kuipers, H. M., Kristensen, D., Siersma, Volkert Dirk, Vila, P., Jolles, J., Papaioannaou, A., Abildstrøm, H., Silverstein, J. H., Bonal, J. A., Raeder, J., Nielsen, I. K., Korttila, K., Munoz, L., Dodds, C., Hanning, C. D. & Møller, J. T., 2003, In: Acta Anaesthesiologica Scandinavica. 47, p. 260-266

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. 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 journal › Journal article › Research › peer-review

  7. Published

    No increased risk of developing depression in diabetes compared to other chronic illness

    Kessing, L. V., Nilsson, F. M., Siersma, Volkert Dirk & Andersen, Per Kragh, 2003, In: Diabetes Research and Clinical Practice. 62, p. 113-121

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Postoperative Cognitive Dysfunction: Overinterpretation of Data?: In Reply:-

    Johnson, T., Rasmussen, L., Korttila, K., Siersma, Volkert Dirk & Canet, J., 2003, In: Anesthesiology. 98, p. 1295

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Respiratory syncytial virus infection - risk factors for hospital admission: a case-control study

    Nielsen, H. E., Siersma, Volkert Dirk, Andersen, S., Gahrn-Hansen, B., Mordhorst, C. H., Nørgaard-Pedersen, B., Røder, B., Sørensen, T. L., Temme, R. & Vestergaard, B. F., 2003, In: Acta Paediatr.. 92, p. 1314-1321

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. 2004
  11. Published

    Apolipoprotein E Genotype and Cognitive Dysfunction after Noncardiac Surgery

    Abildstrøm, H., Christiansen, M., Siersma, Volkert Dirk & Rasmussen, L. S., 2004, In: Anesthesiology. 101, p. 855-861

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Cognitive dysfunction after minor surgery in the elderly

    Canet, J., Raeder, J., Rasmussen, L. S., Enlund, M., Kuipers, H. M., Hanning, C. D., Jolles, J., Korttila, K., Siersma, Volkert Dirk, Dodds, C., Abildstrøm, H., Sneyd, J. R., Vila, P., Johnson, T. D., Corsini, L. M., Silverstein, J. H., Nielsen, I. K. & Møller, J. T., 2004, In: Acta Anaesthesiologica Scandinavica. 47, p. 1204-1210

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Constitutive and ligand-induced TCR degradation

    von Essen, Marina Rode, Bonefeld, Charlotte Menne, Siersma, Volkert Dirk, Rasmussen, A. B., Lauritsen, J. P. H., Nielsen, B. L. & Geisler, Carsten, 2004, In: Journal of Immunology. 173, 1, p. 384-93 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Increased risk of developing diabetes in depressive and bipolar disorders?

    Kessing, L. V., Nilsson, F. M., Siersma, Volkert Dirk & Andersen, Per Kragh, 2004, In: Journal of Psychiatric Research. 38, p. 395-402

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. 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 journal › Journal article › Research › peer-review

  16. Published

    Peripheral vascular disease is associated with reduced glycosuria in newly diagnosed type 2 diabetic patients.

    Olivarius, Niels de Fine, von Holstein-Rathlou, Niels-Henrik, Siersma, Volkert Dirk, Witt, K., Vestbo, E., Andreasen, A. H. & Mogensen, C. E., 2004, In: Diabetes & Metabolism. 30, 3, p. 269-74 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Postoperative cognitive dysfunction: true deterioration versus random variation

    Rasmussen, L. S. & Siersma, Volkert Dirk, 2004, In: Acta Anaesthesiologica Scandinavica. 48, p. 1137-1143

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. 2005
  19. 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 journal › Journal article › Research › peer-review

  20. Published

    Is peri-operative cortisol secretion related to post-operative cognitive dysfunction

    Rasmussen, L. S., O'Brien, J. T., Silverstein, J. H., Johnson, T. W., Siersma, Volkert Dirk, Canet, J., Jolles, J., Hanning, C. D., Kuipers, H. M., Abildstrøm, H., Papaionnou, A., Raeder, J., Yli-Hankala, A., Sneyd, J. R., Munoz, L. & Møller, J. T., 2005, In: Acta Anaesthesiologica Scandinavica. 49, p. 1225-1231

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Symptoms, signs and complications in newly diagnosed type 2 diabetic patients, and their relationship to glycaemia, blood pressure and weight

    Drivsholm, Thomas, Olivarius, Niels de Fine, Nielsen, Anni Brit Sternhagen & Siersma, Volkert Dirk, 2005, In: Diabetologia. 48, p. 210-214

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. 2006
  23. Published

    Changes in patient weight and the impact of antidiabetic therapy during the first 5 years after diagnosis of diabetes mellitus

    Olivarius, Niels de Fine, Andreasen, A. H., Siersma, Volkert Dirk, Richelsen, B. & Beck-Nielsen, H., 2006, In: Diabetologia. 49, 9, p. 2058-2067 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Vægtforløbet og betydningen af antidiabetisk behandling de første fem år efter diabetesdiagnosen - sekundærpublikation

    Olivarius, Niels de Fine, Andreasen, A. H., Siersma, Volkert Dirk, Richelsen, B. & Beck-Nielsen, H., 2006, In: Ugeskrift for læger. 168/45, p. 3913-3916

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. 2007
  26. Published

    A coefficient of association between categorical variables with partial or tentative ordering of categories

    Siersma, Volkert Dirk & Kreiner, Svend, 2007, Juli, 2007 [Biostatistisk Afdeling rapport 07-10] ed. Museum Tusculanum.

    Research output: Book/Report › Report › Research

  27. Published

    Multivariable modelling for meta-epidemiological assessment of the association between trial quality and treatment effects estimated in randomized clinical trials

    Siersma, Volkert Dirk, Als-Nielsen, B., Chen, W., Hilden, Jørgen, Gluud, L. L. & Gluud, C. N., 2007, In: Statistics in Medicine. 26, 14, p. 2745-2758 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. 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 journal › Journal article › Research › peer-review

  29. Published

    Simulating from graphical models for ordinal categorical data

    Siersma, Volkert Dirk & Kreiner, Svend, 2007, Museum Tusculanum.

    Research output: Book/Report › Report › Research

  30. Published

    Weight change og change in weight trend. Differences in analytical approaches

    Olivarius, Niels de Fine & Siersma, Volkert Dirk, 2007, In: Diabetes, Obesity and Metabolism. 9, p. 915-916 1 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  31. 2008
  32. Published

    Monte Carlo Evaluation of Model Search in Graphical Models for Ordinal Data

    Siersma, Volkert Dirk & Kreiner, Svend, 2008, Heidelberg: Physica-Verlag.

    Research output: Book/Report › Report › Research

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