Volkert Dirk Siersma

Volkert Dirk Siersma

!!Statistiker, External Lecturer

ORCID: 0000-0003-1941-2681

Publication year:
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176 - 200 out of 380Page size: 25
  1. 2018
  2. Published

    Replik angående screening för bukaortaaneurysm: Dags för oberoende granskning av det svenska screeningprogrammet

    Johansson, M., Zahl, P. H., Siersma, Volkert Dirk, Jørgensen, K. J., Marklund, B. & Brodersen, John Brandt, 2018, In: Lakartidningen. 115, 37, p. 1373 1 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  3. Published

    Self-rated versus Caregiver-rated Health for Patients with Mild Dementia as Predictors of Patient Mortality

    Phung, T. K. T., Siersma, Volkert Dirk, Vogel, Asmus, Waldorff, Frans Boch & Waldemar, Gunhild, 2018, In: American Journal of Geriatric Psychiatry. 26, 3, p. 375-385 11 p.

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

  4. Published

    Spending time outside to reduce infections at preschool may be an overrated strategy

    Söderström, M., Siersma, Volkert Dirk & Boldemann, C., 2018, In: Acta Paediatrica. 107, 9, p. 1652 1 p.

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

  5. Published

    The Diagnostic and Prognostic Value of a Dual-Tasking Paradigm in a Memory Clinic

    Nielsen, M. S., Simonsen, A. H., Siersma, Volkert Dirk, Hasselbalch, Steen & Høgh, Peter, 2018, In: Journal of Alzheimer's Disease. 61, 3, p. 1189-1199 11 p.

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

  6. Published

    The development of multimorbidity during 16 years after diagnosis of type 2 diabetes

    Pouplier, S., Olsen, M. Å., Willadsen, Tora Grauers, Sandholdt, H., Siersma, Volkert Dirk, Andersen, Christen Bertel L & Olivarius, Niels de Fine, 2018, In: Journal of Comorbidity. 8, 1, p. 1-9 9 p.

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

  7. Published

    The effect of structured personal care on diabetes symptoms and self-rated health over 14 years after diabetes diagnosis

    Willadsen, Tora Grauers, Siersma, Volkert Dirk, Nielsen, Anni Brit Sternhagen, Køster-Rasmussen, Rasmus, Guassora, Ann Dorrit, Jarbol, D. E., Eusebi, P., Malterud, Kirsti, Reventlow, Susanne & Olivarius, Niels de Fine, 2018, In: Primary Care Diabetes. 12, 4, p. 354-363 10 p.

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

  8. Published

    The risk of fall accidents for home dwellers with dementia—A register- and population-based case-control study

    Petersen, Jindong Ding, Siersma, Volkert Dirk, Christensen, R. D. P., Storsveen, M. M., Nielsen, C. T. & Waldorff, Frans Boch, 2018, In: Alzheimer's and Dementia: Diagnosis, Assessment and Disease Monitoring. 10, p. 421-428 8 p.

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

  9. Published

    Use of diagnostic tests and the appropriateness of the treatment decision in patients with suspected urinary tract infection in primary care in Denmark - Observational study

    Cordoba Currea, Gloria Cristina, Holm, Anne, Sørensen, Tina Møller, Siersma, Volkert Dirk, Sandholdt, H., Makela, M., Frimodt-Møller, N. & Bjerrum, Lars, 2018, In: BMC Family Practice. 19, 1, 7 p., 65.

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

  10. 2017
  11. Published

    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

  12. Published

    Effect of point-of-care susceptibility testing in general practice on appropriate prescription of antibiotics for patients with uncomplicated urinary tract infection: a diagnostic randomised controlled trial

    Holm, Anne, Cordoba Currea, Gloria Cristina, Sørensen, Tina Møller, Jessen, Lisbeth Rem, Frimodt-Møller, N., Siersma, Volkert Dirk & Bjerrum, Lars, Oct 2017, In: B M J Open. 7, 10, 9 p., e018028.

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

  13. Published

    Urinary albumin and 8-oxo-7,8-dihydroguanosine as markers of mortality and cardiovascular disease during 19 years after diagnosis of type 2 diabetes: A comparative study of two markers to identify high risk patients

    Broedbaek, K., Køster-Rasmussen, Rasmus, Siersma, Volkert Dirk, Persson, F., Poulsen, Henrik Enghusen & Olivarius, Niels de Fine, Oct 2017, In: Redox Biology. 13, p. 363-369 7 p.

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

  14. Published

    Biomonitoring of Danish school children and mothers including biomarkers of PBDE and glyphosate

    Knudsen, Lisbeth E., Hansen, P. W., Mizrak, S., Hansen, H. K., Mørck, T. A., Nielsen, F., Siersma, Volkert Dirk & Mathiesen, Line, 26 Sep 2017, In: Reviews on Environmental Health. 32, 3, p. 279-290 12 p.

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

  15. Published

    Exploring the concurrent validity of the nationwide assessment of permanent nursing home residence in Denmark: A cross-sectional data analysis using two administrative registries

    Bebe, Anna, Nielsen, Anni Brit Sternhagen, Willadsen, Tora Grauers, Søndergaard, J., Siersma, Volkert Dirk, Nicolaisdottir, Dagny Ros, Kragstrup, Jakob & Waldorff, Frans Boch, 29 Aug 2017, In: B M C Health Services Research. 17, p. 1-7 7 p., 607.

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

  16. Published

    Identifying practice-related factors for high-volume prescribers of antibiotics in Danish general practice

    Aabenhus, Rune Munck, Siersma, Volkert Dirk, Sandholdt, H., Køster-Rasmussen, Rasmus, Hansen, M. P. & Bjerrum, Lars, 1 Aug 2017, In: Journal of Antimicrobial Chemotherapy. 72, 8, p. 2385-2391 7 p.

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

  17. Published

    Decreasing incidence of foot ulcer among patients with type 1 and type 2 diabetes in the period 2001-2014

    Rasmussen, A., Almdal, Thomas Peter, Nielsen, A. A., Nielsen, K. E., Jørgensen, M. E., Hangaard, S., Siersma, Volkert Dirk & Holstein, P. E., Aug 2017, In: Diabetes Research and Clinical Practice. 130, p. 221-228 8 p.

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

  18. Published

    In hip osteoarthritis, Nordic Walking is superior to strength training and home based exercise for improving function

    Bieler, T., Siersma, Volkert Dirk, Magnusson, Stig Peter, Kjær, Michael, Christensen, H. E. & Beyer, N., Aug 2017, In: Scandinavian Journal of Medicine & Science in Sports. 27, 8, p. 873–886 14 p.

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

  19. 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 journal › Comment/debate › Research › peer-review

  20. Published

    Diabetic complications do not hamper improvement of health-related quality of life over the course of treatment of diabetic 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., Jirkovská, A., Mauricio, D., Reike, H., Spraul, M., Uccioli, L., Urbancic, V., van Acker, K., van Baal, J. & Schaper, N. C., Jul 2017, In: Journal of Diabetes and its Complications. 31, 7, p. 1145-1151 7 p.

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

  21. Published

    Clinical accuracy of point-of-care urine culture in general practice

    Holm, Anne, Cordoba Currea, Gloria Cristina, Sørensen, Tina Møller, Jessen, Lisbeth Rem, Frimodt-Møller, N., Siersma, Volkert Dirk & Bjerrum, Lars, Jun 2017, In: Scandinavian Journal of Primary Health Care. 35, 2, p. 170-177 8 p.

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

  22. Published

    Major depressive symptoms increase 3-year mortality rate in patients with mild dementia

    Petersen, Jindong Ding, Waldorff, Frans Boch, Siersma, Volkert Dirk, Phung, T. K. T., Bebe, Anna & Waldemar, Gunhild, 6 Apr 2017, In: International Journal of Alzheimer's Disease. 2017, p. 1-9 9 p., 7482094.

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

  23. Published

    Development and validation of a condition-specific diary to measure severity, bothersomeness and impact on daily activities for patients with acute urinary tract infection in primary care

    Holm, Anne, Cordoba Currea, Gloria Cristina, Siersma, Volkert Dirk & Brodersen, John Brandt, 24 Mar 2017, In: Health and Quality of Life Outcomes. 15, p. 1-8 8 p., 57.

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

  24. Published

    Minor amputation does not negatively affect health-related quality of life as compared with conservative treatment in patients with a diabetic foot ulcer: An observational study

    Pickwell, K., Siersma, Volkert Dirk, Kars, M., Apelqvist, J., Bakker, K., Edmonds, M., Holstein, P., Jirkovska, A., Jude, E., Mauricio, D., Piaggesi, A., Reike, H., Spraul, M., Uccioli, L., Urbancic, V., Acker, K. V., Baal, J. V. & Schaper, N., Mar 2017, In: Diabetes - Metabolism: Research and Reviews (Print Edition). 33, 3, 6 p., e2867.

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

  25. Published

    The efficacy of acupuncture on menopausal symptoms (ACOM study): protocol for a randomised study

    Lund, K. S., Brodersen, John Brandt, Siersma, Volkert Dirk & Waldorff, Frans Boch, Mar 2017, In: Danish Medical Journal. 64, 3, p. 1-6 6 p., A5344.

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

  26. Published

    Electrical somatosensory stimulation followed by motor training of the paretic upper limb in acute stroke: study protocol for a randomized controlled trial

    Ghaziani, E., Couppé, Christian, Henkel, C., Siersma, Volkert Dirk, Søndergaard, M., Christensen, Hanne Krarup & Magnusson, Stig Peter, 23 Feb 2017, In: Trials. 18, p. 1-9 9 p., 84.

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

  27. Published

    The impact of a physician-staffed helicopter on outcome in patients admitted to a stroke unit: a prospective observational study

    Funder, K. S., Rasmussen, L. S., Lohse, N., Hesselfeldt, R., Siersma, Volkert Dirk, Gyllenborg, J., Wulffeld, S., Hendriksen, O. M., Lippert, F. K. & Steinmetz, Jacob, 23 Feb 2017, In: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine. 25, p. 1-9 9 p., 18.

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

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ID: 3512987