Volkert Dirk Siersma

Volkert Dirk Siersma

!!Statistiker, External Lecturer

ORCID: 0000-0003-1941-2681

Publication year:
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251 - 275 out of 380Page size: 25
  1. 2015
  2. Published

    Good quality of oral anticoagulation treatment in general practice using international normalised ratio point of care testing.

    Løkkegaard, T., Pedersen, T. H., Lind, B., Siersma, Volkert Dirk & Waldorff, Frans Boch, Feb 2015, In: Danish Medical Journal. 62, 2, p. 1-6 6 p., A5010.

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

  3. Published

    The effectiveness of computer reminders versus postal reminders for improving quality assessment for point-of-care testing in primary care: a randomized controlled trial

    Siersma, Volkert Dirk, Kousgaard, Marius Brostrøm, Reventlow, Susanne, Ertmann, Ruth Kirk, Felding, P. & Waldorff, Frans Boch, Feb 2015, In: Journal of Evaluation in Clinical Practice. 21, 1, p. 13-20 8 p.

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

  4. Published

    Prescribing style and variation in antibiotic prescriptions for sore throat: cross-sectional study across six countries

    Cordoba Currea, Gloria Cristina, Siersma, Volkert Dirk, Lopez-Valcarcel, B. G., Bjerrum, Lars, Llor, C., Aabenhus, Rune Munck & Mäkelä, Marjukka, 29 Jan 2015, In: B M C Family Practice. 16, p. 1-8 8 p., 7.

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

  5. Published

    Psychosocial consequences in the Danish randomised controlled lung cancer screening trial (DLCST)

    F. Rasmussen, J., Siersma, Volkert Dirk, H. Pedersen, J. & Brodersen, John Brandt, Jan 2015, In: Lung Cancer. 87, 1, p. 65-72 8 p.

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

  6. Published

    An intervention with access to C-reactive protein rapid test reduces antibiotic overprescribing in acute exacerbations of chronic bronchitis and COPD

    F. Strykowski, D., Nielsen, Anni Brit Sternhagen, Llor, C., Siersma, Volkert Dirk & Bjerrum, Lars, 2015, In: Family Practice. 32, 4, p. 395-400 6 p.

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

  7. 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 journal › Comment/debate › Research

  8. Published

    Comparing the effect of non-medical mechanical restraint preventive factors between psychiatric units in Denmark and Norway.

    Bak, J., Zoffmann, Vibeke, Sestoft, D. M., Almvik, R., Siersma, Volkert Dirk & Brandt-Christensen, M., 2015, In: Nordic Journal of Psychiatry. 69, 6, p. 1715-1725 11 p.

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

  9. Published

    Inappropriate antibiotic prescribing and demand for antibiotics in patients with upper respiratory tract infections is hardly different in female versus male patients as seen in primary care

    Bagger, K., Nielsen, Anni Brit Sternhagen, Siersma, Volkert Dirk & Bjerrum, Lars, 2015, In: The European Journal of General Practice. 21, 2, p. 118-123 6 p.

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

  10. Published

    Increased healing in diabetic toe ulcers in a multidisciplinary foot clinic—An observational cohort study

    Almdal, Thomas Peter, Nielsen, A. A., Nielsen, K. E., Jørgensen, M. E., Rasmussen, A., Hangaard, S., Siersma, Volkert Dirk & Holstein, P., 2015, In: Diabetes Research and Clinical Practice. 110, 3, p. 315-321 7 p.

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

  11. Published

    Optimal volume of local anaesthetic for the adductor canal block: Using the continual reassessment method to estimate the ED95

    Jæger, P., Jenstrup, M. T., Lund, J., Siersma, Volkert Dirk, Brøndum, V., Hilsted, K. L. & Dahl, J. B., 2015, In: British Journal of Anaesthesia. 115, 6, p. 920-926 7 p.

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

  12. Published

    PFAS concentrations in plasma samples from Danish school children and their mothers

    Mørck, T. A., Nielsen, F., Nielsen, J. K. S., Siersma, Volkert Dirk, Grandjean, P. & Knudsen, Lisbeth E., 2015, In: Chemosphere. 129, p. 203-209 7 p.

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

  13. Published

    Point of care susceptibility testing in primary care: does it lead to a more appropriate prescription of antibiotics in patients with uncomplicated urinary tract infections? Protocol for a randomized controlled trial

    Holm, Anne, Cordoba Currea, Gloria Cristina, Sørensen, Tina Møller, Jessen, Lisbeth Rem, Siersma, Volkert Dirk & Bjerrum, Lars, 2015, In: B M C Family Practice. 16, 8 p., 106.

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

  14. Published

    The impact of patients' involvement in cooking on their mortality and morbidity: A 19-year follow-up of patients newly diagnosed with type 2 diabetes mellitus.

    Jandorf, S., Siersma, Volkert Dirk, Køster-Rasmussen, Rasmus, Olivarius, Niels de Fine & Waldorff, Frans Boch, 2015, In: Scandinavian Journal of Primary Health Care. 33, 1, p. 33-39 7 p.

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

  15. 2014
  16. Published

    Motivation, effort and life circumstances as predictors of foot ulcers and amputations in people with Type 2 diabetes mellitus

    Bruun, C., Guassora, Ann Dorrit, Nielsen, Anni Brit Sternhagen, Siersma, Volkert Dirk, Holstein, P. E. & Olivarius, Niels de Fine, 14 Jul 2014, In: Diabetic Medicine. 31, 11, p. 1468-76 9 p.

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

  17. Published

    PCB Concentrations and Dioxin-like Activity in Blood Samples from Danish School Children and Their Mothers living in Urban and Rural Areas

    Mørck, T. A., Erdmann, S. E., Long, M., Mathiesen, Line, Nielsen, F., Siersma, Volkert Dirk, Bonefeld-Jørgensen, E. C. & Knudsen, Lisbeth E., Jul 2014, In: Basic & Clinical Pharmacology & Toxicology. 115, 1, p. 134-44 11 p.

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

  18. Published

    The effectiveness of structured personal care of type 2 diabetes on recurrent outcomes: a 19 year follow-up of the study Diabetes Care in General Practice (DCGP)

    Lundström, H. M., Siersma, Volkert Dirk, Nielsen, Anni Brit Sternhagen, Brodersen, John Brandt, Reventlow, Susanne, Andersen, Per Kragh & Olivarius, Niels de Fine, Jun 2014, In: Diabetologia. 57, 6, p. 1119-23 5 p.

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

  19. Published

    Educational intervention and functional decline among older people: The modifying effects of social capital

    Poulsen, T., Siersma, Volkert Dirk, Lund, Rikke, Christensen, Ulla, Vass, Mikkel & Avlund, K., May 2014, In: Scandinavian Journal of Public Health. 42, 3, p. 295-303 9 p.

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

  20. Published

    Health-Related Quality of Life Predicts Major Amputation and Death, but Not Healing, in People With Diabetes Presenting With Foot Ulcers: The Eurodiale Study

    Siersma, Volkert Dirk, Thorsen, Hanne, Holstein, P. E., Kars, M., Apelqvist, J., Jude, E. B., Piaggesi, A., Bakker, K., Edmonds, M., Jirkovska, A., Mauricio, D., Ragnarson Tennvall, G., Reike, H., Spraul, M., Uccioli, L., Urbancic, V., Acker, K., Baal, K. & Schaper, N. C., Mar 2014, In: Diabetes Care. 37, 3, p. 694-700 7 p.

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

  21. Published

    Healthcare costs in the Danish randomised controlled lung cancer CT-screening trial: A registry study

    Rasmussen, J. F., Siersma, Volkert Dirk, Pedersen, J. H., Heleno, B., Saghir, Z. & Brodersen, John Brandt, Mar 2014, In: Lung Cancer. 83, 3, p. 347-355 9 p.

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

  22. Published

    Association of Maternal Self-Medication and Over-the-Counter Analgesics for Children

    Jensen, J. F., Gottschau, M., Siersma, Volkert Dirk, mxb897, mxb897, Holstein, B. E. & Knudsen, Lisbeth E., 1 Feb 2014, In: Pediatrics. 133, 2, p. e291-8 8 p.

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

  23. Published

    Eosinophilia in routine blood samples as a biomarker for solid tumor development: A study based on The Copenhagen Primary Care Differential Count (CopDiff) Database

    Andersen, Christen Bertel L, Siersma, Volkert Dirk, Hasselbalch, H. C., Lindegaard, H., Vestergaard, H., Felding, P., Olivarius, Niels de Fine & Bjerrum, O. W., 2014, In: Acta Oncologica. 53, 9, p. 1245-1250 6 p.

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

  24. Published

    MicroRNA expression analysis and Multiplex ligation-dependent probe amplification in metastatic and non-metastatic uveal melanoma

    Larsen, A., Holst, L. M., Kaczkowski, B., Andersen, M. T., Manfé, V., Siersma, Volkert Dirk, Kolko, Miriam, Kiilgaard, Jens Folke, Winther, Ole, Prause, J. U., Gniadecki, R. & Heegaard, Steffen, 2014, In: Acta Ophthalmologica. 92, 6, p. 541-549

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

  25. Published

    Mobility decline in old age: the combined effect of mobility-related fatigue and socioeconomic position

    Nilsson, Charlotte Juul, Siersma, Volkert Dirk, Mänty, M. R., Avlund, K., Vass, Mikkel & Lund, Rikke, 2014, In: Journal of Epidemiology & Community Health. 68, p. 510-515 6 p.

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

  26. Published

    Risk of Lymphoma and Solid Cancer among Patients with Rheumatoid Arthritis in a Primary Care Setting

    Andersen, Christen Bertel L, Lindegaard, H. M., Vestergaard, H., Siersma, Volkert Dirk, Hasselbalch, H. C., Olivarius, Niels de Fine, Bjerrum, O. W. & Junker, P., 2014, In: PLOS ONE. 9, 6, p. 1-7 7 p., e99388.

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

  27. Published

    Risk of new or recurrent cancer after a high perioperative inspiratory oxygen fraction during abdominal surgery

    Meyhoff, C. S., Jørgensen, Lars Nannestad, Wetterslev, J., Siersma, Volkert Dirk & Rasmussen, L. S., 2014, In: British Journal of Anaesthesia. 113, suppl. 1, p. i74-i81 8 p.

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

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ID: 3512987