Per Kragh Andersen

Research output

Research output per year 1985 1997 1998 1999 2000 2002 2003 2005 2006 2008 2009 2010 2012 2013 2014 2015 2016 2017 2019 2020

• 306 Journal article
• 25 Report
• 18 Book chapter
• 10 Encyclopedia chapter
• 60 More
  • 10 Literature review
  • 8 Comment/debate
  • 7 Book
  • 7 Conference abstract for conference
  • 7 Letter
  • 7 Review
  • 4 Working paper
  • 3 Conference abstract in journal
  • 3 Editorial
  • 1 Anthology
  • 1 Article in proceedings
  • 1 Report chapter
  • 1 Contribution to newspaper - Comment/debate

Research output per year

Research output per year

Search results

• 1998

  Provokeret abort og risiko for brystkræft.

  Melbye, M., Wohlfahrt, J., Olsen, J. H., Frisch, M., Westergaard, T., Helweg-Larsen, K. & Andersen, P. K., 1998, In: Ugeskrift for læger. 160, p. 5178-5182

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

  2 Citations (Scopus)

• Recurrence in affective disorder

  Kessing, L. V., Andersen, P. K., Mortensen, P. B. & Bolwig, T. G., 1998, In: British Journal of Psychiatry. 172, p. 23-28

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

• Risk set

  Andersen, P. K., 1998, Encyclopedia of Biostatistics, vol. 5. Volume 5 ed. IEEE Computer Society Press, p. 3857-3858

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

• Survival analysis, overview

  Andersen, P. K. & Keiding, N., 1998, Encyclopedia of Biostatistics. vol. 6. IEEE Computer Society Press, p. 4452-4461

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

• Testicular cancer risk and maternal parity: A population-based cohort study

  Westergaard, T., Andersen, P. K., Pedersen, J. B., Frisch, M., Olsen, J. H. & Melbye, M., 1998, In: British Journal of Cancer. 77, p. 1180-1185

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

  45 Citations (Scopus)

• Time-dependent covariate

  Andersen, P. K., 1998, Encyclopedia of Biostatistics. vol. 6. Volume 6 ed. IEEE Computer Society Press, p. 4523-4526

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

• Total time on test

  Andersen, P. K. & Keiding, N., 1998, Encyclopedia of Biostatistics. vol. 6. Volume 6 ed. IEEE Computer Society Press, p. 4548-4550

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  1 Citation (Scopus)

• Type-specific covariates in survival analysis

  Andersen, P. K., 1998, Encyclopedia of Biostatistics. vol. 6. Volume 6 ed. IEEE Computer Society Press, p. 4641-4642

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

• Weibull distribution

  Klein, J. P., Andersen, P. K. & Keiding, N., 1998, Encyclopedia of Biostatistics. vol. 6. IEEE Computer Society Press, p. 4734-4735

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
• 1997

  Birth characteristics, sibling patterns, and acute leukemia risk in childhood: A population-based cohort study

  Westergaard, T., Andersen, P. K., Pedersen, J. B., Olsen, J. H., Frisch, M., Sørensen, H. T., Wohlfahrt, J. & Melbye, M., 1997, In: JNCI - Journal of the National Cancer Institute. 89, p. 939-947

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

  143 Citations (Scopus)

• Birth order, sibship size and risk of Hodgkin's disease in children and young adults: A population-based study of 31 million person-years

  Westergaard, T., Melbye, M., Pedersen, J. B., Frisch, M., Olsen, J. H. & Andersen, P. K., 1997, In: International Journal of Cancer. 72, p. 977-981

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

  100 Citations (Scopus)

• Births at Christmas are different: Population based survey of 2 million deliveries

  Melbye, M., Wohlfahrt, J., Westergaard, T., Jensen, A. K. V., Koch, A., Hjalgrim, H., Kristensen, A., Aaby, P., Members of The Christmas Paper, S. G. I. & Andersen, P. K., 1997, In: BMJ. British Medical Journal (International Ed.). 315, p. 1654-1655

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

  2 Citations (Scopus)

• Book Review: "Survival Analysis: A practical approach" by M.K.B. Parmar and D. Machin

  Andersen, P. K., 1997, In: Statistics in Medicine. 16, p. 714-715

  Research output: Contribution to journal › Literature review › Research

• Cardiovascular risk factor profile in subjects with familial predisposition to myocardial infarction in Denmark

  Hippe, M., Vestbo, J., Bjerg, A. M., Borch-Johnsen, K., Appleyard, M., Hein, H. O., Andersen, P. K., Jensen, G. & Sørensen, T. I. A., 1997, In: Journal of Epidemiology & Community Health. 51, p. 266-271

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

  14 Citations (Scopus)

• Contributions on survival analysis to the Encyclopedia of Biostatistics

  Andersen, P. K., 1997, Københavns Universitet: Department of Biostatistics. 24 p.

  Research output: Book/Report › Book › Research

• Gender difference in smoking effects on lung function and risk of hospitalization for COPD: Results from a Danish longitudinal population study

  Prescott, E., Bjerg, A. M., Andersen, P. K., Lange, P. & Vestbo, J., 1997, In: European Respiratory Journal. 10, p. 822-827

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

• In B-cell chronic lymphocytic leukaemia chromosome 17 abnormalities and not trisomy 12 are the single most important cytogenetic abnormalities for prognosis: A cytogenetic and immunophenotypic Study..

  Geisler, C., Philip, P., Christensen, B. E., Hou-Jensen, K., Pedersen, N. T., Jensen, O. M., Thorling, K., Andersen, E., Birgens, H. S., Drivsholm, A., Ellegaard, J., Larsen, J. K., Plesner, T., Brown, P., Andersen, P. K. & Hansen, M. M., 1997, In: Leukemia research : a Forum for Studies on Leukemia and Normal Hemopoiesis. 21, p. 1011-1023

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

• Induced abortion and the risk of breast cancer

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

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

• Letter to the Editor: Induced abortion and the risk of breast cancer. The Authors reply

  Melbye, M., Wohlfahrt, J. & Andersen, P. K., 1997, In: New England Journal of Medicine. 336, p. 1835

  Research output: Contribution to journal › Letter

• Multi-state models for bleeding episodes and mortality in liver cirrhosis

  Andersen, P. K., Esbjerg, S. & Sørensen, T. I. A., 1997, Department of Biostatistics: Museum Tusculanum. 19 p.

  Research output: Book/Report › Book › Research › peer-review

• Multi-state models for event history analysis in clinical medicine and epidemiology

  Andersen, P. K., 1997, In: Ugeskrift for læger. 159, p. 3794

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

• Multivariate competing risks in a Poisson regression model: An application with two correlated characteristics of breast cancer

  Wohlfahrt, J., Andersen, P. K. & Melbye, M., 1997, Københavns Universitet: Department of Biostatistics. 19 p.

  Research output: Book/Report › Book › Research

• Progression to acquired immunodeficiency syndrome is influenced by CD4 T-lymphocyte count and time since seroconversion

  Begtrup, K., Melbye, M., Biggar, R. J., Goedert, J. J., Knudsen, K. & Andersen, P. K., 1997, In: American Journal of Epidemiology. 145, p. 629-635

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

  25 Citations (Scopus)

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

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

  Research output: Book/Report › Report › Research

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

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

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

  150 Citations (Scopus)
• 1995

  A Nonparametric Test for Comparing Two Samples Where All Observations Are Either Left- og Right-Censored

  Andersen, P. K. & Rønn, B. B., 1995, In: Biometrics. p. 323-329

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

• En 5-års overlevelsesanalyse af 526 konsekutivt indsatte implantater

  Gotfredsen, K., Hjørting-Hansen, E. & Andersen, P. K., 1995, In: Tandlaegebladet. 6, p. 254-7 3 p.

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

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

  Andersen, P. K., Klein, J. P., Knudsen, K. M. & y Palacios, R. T., 1995, Biostatistisk Afdeling: Museum Tusculanum. 24 p.

  Research output: Book/Report › Report › Research

• Medical statistics: An example from diabetes epidemiology

  Lock-Andersen, J., Hou-Jensen, K., Hansen, J. P. H., Jensen, N. K., Søgaard, H. & Andersen, P. K., 1995, In: Scandinavian Journal of Plastic and Reconstructive Surgery and Hand Surgery. 29, p. 141-148

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

  45 Citations (Scopus)

• Observer variation in histological classification of cutaneous malignant melanoma

  Lock-Andersen, J., Hou-Jensen, K., Hansen, J. P. H., Jensen, N. K., Søgaard, H. & Andersen, P. K., 1995, In: Scandinavian Journal of Plastic and Reconstructive Surgery and Hand Surgery. 29, p. 141-148

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

  45 Citations (Scopus)

• Relationship between maternally derived anti-plasmodium falciparum antibodies and risk of infection and disease in infants living in an area of Liberia, West Africa, in which malaria is highly endemic

  Høgh, B., Marbiah, N. T., Burghaus, P. A. & Andersen, P. K., 1995, In: Infection and Immunity. 63, 10, p. 4034-4038

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

  46 Citations (Scopus)

• Score test of homogeneity for survival data

  Commenges, D. & Andersen, P. K., 1995, In: Lifetime Data Analysis. 1, p. 145-156

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

  95 Citations (Scopus)

• Statistical appendix: Statistical analysis of occurrences of complications after luxation injuries and root fractures in the permanent dentition

  Andersen, P. K., 1995, Pulpal healing after tooth luxation and root fractures in the permanent dentition. København: Weiss Bogtrykkeri, p. 36-42

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

• Survival analysis

  Andersen, P. K. & Keiding, N., 1995, Biostatistisk Afdeling: Museum Tusculanum. 26 p.

  Research output: Book/Report › Book › Research › peer-review

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

  Keiding, N., Andersen, P. K. & Klein, J. P., 1995, Biostatistisk Afdeling: Museum Tusculanum. 26 p.

  Research output: Book/Report › Book › Research

• Variance components models for survival data

  Petersen, J. H., Andersen, P. K. & Gill, R. D., 1995, Biostatistisk Afdeling: Museum Tusculanum. 24 p.

  Research output: Book/Report › Book › Research
• 1994

  Discussion of the paper: "Informative dropout in longitudinal data analysis" by P. Diggle and M.G. Kenward

  Andersen, P. K., 1994, In: Oyo Tokeigaku. 43, p. 82-83

  Research output: Contribution to journal › Comment/debate › Research

• Hvad betyder fejlklassificering af smearprøver i et screeningsprogram

  Lynge, E., Arffmann, E., Poll, P. & Andersen, P. K., 1994, In: Ugeskrift for læger. 156, p. 2594-2596

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

• Statistisk analyse af overlevelsesdata ved lægevidenskabelige undersøgelser

  Andersen, P. K. & Væth, M., 1994, FADL's Forlag. 211 p.

  Research output: Book/Report › Book › Research

• Survival analysis and neural nets

  Liestøl, K., Andersen, P. K. & Andersen, U., 1994, In: Statistics in Medicine. 13, p. 1189-1200

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

  65 Citations (Scopus)

• The treatment effect of alpha interferon in cronic hepatitis B is independent of pre-treatment variables. Results based on individual patient data from 10 clinical controlled trials.

  Krogsgaard, K., Bindslev, N., Christensen, E., Craxi, A., Schilichting, P., Schalm, S., Carreno, V., Trepo, C., Gerken, G., Thomas, H. C., Andersen, P. K., Ring-Larsen, H. & Eurohep, 1994, In: Journal of Hepatology. 21, p. 646-655

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

  83 Citations (Scopus)
• 1993

  A non-parametric test for comparing two samples where all observations are either left- or right-censored

  Andersen, P. K., 1993, København: Museum Tusculanum. 13 p.

  Research output: Book/Report › Report › Research

• Book Review: John P. Klein and Prem K. Goel (eds.): "Survival analysis: State of the art".

  Andersen, P. K., 1993, In: Statistics in Medicine. Vol. 12, p. 1645

  Research output: Contribution to journal › Literature review › Research

• Chapter 22: Prognosis of traumatic dental injuries.

  Andersen, P. K., Andreasen, F. M. & Andreasen, J. O., 1993, Textbook and color atlas of traumatic injuries to the teeth.. Handelshøjskolens Forlag, p. 737-743

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

• Liver, Pancreas, and Biliary Tract. Cyclosporin A treatment in primary biliary cirrhosis: Results of a long-term placebo controlled trial.

  Lombard, M., Portmann, B., Neuberger, J., Williams, R., Tygstrup, N., Ranek, L., Ring-Larsen, H., Rodés, J., Navasa, M., Trepo, C., Pape, G., Schou, G., Badsberg, J. H. & Andersen, P. K., 1993, In: Today in Medicine. Gastroenterology. vol. 104, p. 519-526

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

  136 Citations (Scopus)

• Referat af mødet: "Early stopping rules in clinical trials in cancer".

  Andersen, P. K., 1993, In: Ugeskrift for læger. 155, p. 1982-1983

  Research output: Contribution to journal › Journal article › Research

• Score test of homogeneity for survival data

  Commenges, D. & Andersen, P. K., 1993, København: Museum Tusculanum. 17 p.

  Research output: Book/Report › Report › Research

• Smear misclassification in a cervical cancer screening programme.

  Lynge, E., Arffmann, E., Poll, P. & Andersen, P. K., 1993, In: British Journal of Cancer. vol. 68, p. 368-373

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

  8 Citations (Scopus)

• Survival analysis and neural nets

  Liestøl, K., Andersen, P. K. & Andersen, U., 1993, København: Museum Tusculanum. 19 p.

  Research output: Book/Report › Report › Research

• The waiting period of asylum seekers as a health problem.

  Kjersem, H. J. & Andersen, P. K., 1993, In: Migration and Health, Quarterly Newsletter IOM. Vol. 2, p. 2

  Research output: Contribution to journal › Journal article › Research