Per Kragh Andersen

Per Kragh Andersen

Professor


  1. 1997
  2. Published

    Testing for center effects in multicenter survival studies: A Monte Carlo comparison of fixed and random effects tests

    Andersen, Per Kragh, Klein, J. P. & Zhang, M., 1997, Department of Biostatistics: Museum Tusculanum. 14 p.

    Research output: Book/ReportReportResearch

  3. Published

    The role of frailty models and accelerated failure time models in describing heterogeneity due to omitted covariates

    Keiding, N., Andersen, Per Kragh & Klein, J. P., 1997, In: Statistics in Medicine. 16, p. 215-224

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Induced abortion and the risk of breast cancer

    Melbye, M., Wohlfahrt, J., Olsen, J. H., Frisch, M., Westergaard, T., Helweg-Larsen, K. & Andersen, Per Kragh, 9 Jan 1997, In: New England Journal of Medicine. 336, 2, p. 81-85 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. 1998
  6. Published

    Calculating the number needed to treat for trials where the outcome is time to an event

    Altman, D. G. & Andersen, Per Kragh, 1998, University of Copenhagen: Department of Biostatistics. 16 p.

    Research output: Book/ReportReportResearch

  7. Published

    Censored data

    Andersen, Per Kragh, 1998, Encyclopedia of Biostatistics, vol. 1. IEEE Computer Society Press, p. 578-582

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  8. Published

    Chianciano consensus conference on prognostic studies in hepatology.

    Christensen, E., Orlandi, F., Tygstrup, N., Andersen, Per Kragh, Morabito, A. & Leevy, C. M., 1998, In: Journal of Gastroenterology and Hepatology. 30, p. 580-583

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Competing risks analysis for the case-cohort design

    Sørensen, P. & Andersen, Per Kragh, 1998, University of Copenhagen: Department of Biostatistics. 16 p.

    Research output: Book/ReportReportResearch

  10. Published

    Declining HIV-2 prevalence and incidence among men in a community study from Guinea-Bissau.

    Larsen, O., da Silva, Z., Sandström, A., Andersen, Per Kragh, Andersson, S., Poulsen, A., Melbye, M., Dias, F., Nauclér, A. & Aaby, P., 1998, In: AIDS. 12, p. 1707-1714

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Differences in susceptibility to AIDS development: A cohort study of Danish and American homosexual-bisexual men 1981 to 1995

    Melbye, M., Begtrup, K., Rosenberg, P. S., Biggar, R. J., Goedert, J. J., Knudsen, K. & Andersen, Per Kragh, 1998, In: Journal of Acquired Immune Deficiency Syndromes. 18, p. 270-276

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Estimation of variance in Cox's regression model with shared gamma frailties

    Andersen, Per Kragh, Klein, J. P., Knudsen, K. M. & Tabanera, R., 1998, In: Biometrics. 53, p. 1475-1484

    Research output: Contribution to journalJournal articleResearchpeer-review

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