Per Kragh Andersen

Per Kragh Andersen

Professor

ORCID: 0000-0003-0490-0885

Publication year:
All
1 - 100 out of 488Page size: 100
  1. 1985
  2. Published

    Relative mortality of Type 1 (insulin-dependent) diabetes in Denmark: 1933-1981

    Green, A., Borch-Johnsen, K., Andersen, Per Kragh, Hougaard, P., Keiding, N., Kreiner, Svend & Deckert, T., Jun 1985, In: Diabetologia. 28, 6, p. 339-342 4 p.

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

  3. Published

    A Cox regression model for the relative mortality and its application to diabetes mellitus survival data.

    Andersen, Per Kragh, Borch-Johnsen, K., Deckert, T., Green, A., Hougaard, P., Keiding, N. & Kreiner, Svend, Dec 1985, In: Biometrics. 41, 4, p. 921-932 12 p.

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

  4. 1987
  5. Published

    Unemployment and mortality in Denmark, 1970-80

    Iversen, L., Andersen, O., Andersen, Per Kragh, Christoffersen, K. & Keiding, N., 1987, In: BMJ - British Medical Journal - Clinical Research Edition. 295, 6603, p. 879-884 6 p.

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

  6. 1988
  7. Published

    Cystic fibrosis in Denmark 1945 to 1985. An analysis of incidence, mortality and influence of centralized treatment on survival

    Nielsen, Ole Haagen, Thomsen, Birthe Lykke Riegels, Green, A., Andersen, Per Kragh, Hauge, M. & Schiøtz, P. O., Nov 1988, In: Acta Paediatrica Scandinavica. 77, 6, p. 836-41 6 p.

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

  8. 1990
  9. Published

    Modelling excess mortality of the unemployed: choice of scale and extra-Poisson variability.

    Keiding, N., Andersen, Per Kragh & Frederiksen, K., 1990, In: Journal of the Royal Statistical Society, Series C (Applied Statistics). 39, 1, p. 63-74 12 p.

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

  10. 1991
  11. Published

    A counting process approach to maximum likelihood estimation in frailty models

    Nielsen, G., Gill, R. D., Andersen, Per Kragh & Sørensen, Thorkild I.A., 1991, Statistical Research Unit: Museum Tusculanum.

    Research output: Book/Report › Report › Research

  12. Published

    Assessing the influence of reversible disease indicators on survival

    Andersen, Per Kragh, Hansen, L. S. & Keiding, N., 1991, In: Statistics in Medicine. 10, p. 1061-7

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

  13. Published

    Discussion of the paper by Keiding

    Andersen, Per Kragh, 1991, In: Journal of the Royal Statistical Society - Series A. 154, part 3, p. 402-403

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

  14. Published

    Non- and semi-parametric estimation of transition probabilities from censored observation of a non-homogeneous Markov process

    Andersen, Per Kragh, Hansen, L. S. & Keiding, N., 1991, In: Scandinavian Journal of Statistics. vol.18, p. 153-67

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

  15. Published

    Prognostic importance of flow cytometric immunophenotyping of 540 consecutive patients with B-cell chronic lymphocytic leukemia

    Geisler, C., Larsen, J. K., Hansen, N. E., Hansen, M. M., Christensen, B. E., Lund, B., Nielsen, H., Plesner, T., Thorling, K., Andersen, E. & Andersen, Per Kragh, 1991, In: Blood. Vol 78, no.7, p. 1795-1802

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

  16. Published

    Prophylaxis of first hemorrhage from eosophageal varices by sclerotherapy, propranolol or both in cirrhotic patients: A randomized multicenter trial

    The Prova Study Group, Andersen, Per Kragh, Bendtsen, Flemming, Christensen, E., Lindahl, F., de Muckadell, O. S., Schlichting, P. & Sørensen, T. I. A., 1991, In: The American Association for the Study of Liver Diseases. Vol 14, no.6, p. 1016-1024

    Research output: Contribution to journal › Journal article › Research

  17. Published

    Survival analysis 1982-1991: The second decade of the proportional hazards regression model

    Andersen, Per Kragh, 1991, In: Statistics in Medicine. Vol 10, p. 1931-1941

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

  18. Published

    Survival analysis 1982-91: The second decade of the proportional hazards regression model

    Andersen, Per Kragh, 1991, Museum Tusculanum.

    Research output: Book/Report › Report › Research

  19. 1992
  20. Published

    A counting process Approach to maximum likelihood estimation in frailty models

    Nielsen, G. G., Gill, R. D., Andersen, Per Kragh & Sørensen, Thorkild I.A., 1992, In: Scandinavian Journal of Statistics. 19, p. 25-43

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

  21. Published

    Estimating the survival function in the proportional hazards regression model: A study of the small sample size properties

    Klein, J. P. & Andersen, Per Kragh, 1992, Statistical Research Unit: Museum Tusculanum. 19 p.

    Research output: Book/Report › Report › Research

  22. Published

    Increasing incidence of early onset Type 1 (insulin-dependent) diabetes mellitus: a study of Danish male birth cohorts

    Green, A., Andersen, Per Kragh, Svendsen, A. J. & Mortensen, K., 1992, In: Diabetologia. Vol. 35, p. 178-182

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

  23. Published

    Repeated assessment of risk factors in survival analysis

    Andersen, Per Kragh, 1992, In: Statistical Methods in Medical Research. 1, p. 297-315

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

  24. Published

    Repeated assessment of risk factors in survival analysis

    Andersen, Per Kragh, 1992, University of Copenhagen: Museum Tusculanum. 39 p.

    Research output: Book/Report › Report › Research

  25. Published

    Statistical models based on counting processes

    Andersen, Per Kragh, Borgan, Ø., Gill, R. D. & Keiding, N., 1992, Springer Series in Statistics. Springer, p. 779

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

  26. 1993
  27. Published

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

    Andersen, Per Kragh, 1993, København: Museum Tusculanum. 13 p.

    Research output: Book/Report › Report › Research

  28. Published

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

    Andersen, Per Kragh, 1993, In: Statistics in Medicine. Vol. 12, p. 1645

    Research output: Contribution to journal › Literature review › Research

  29. Published

    Chapter 22: Prognosis of traumatic dental injuries.

    Andersen, Per Kragh, 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

  30. Published

    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, Per Kragh, 1993, In: Today in Medicine. Gastroenterology. vol. 104, p. 519-526

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

  31. Published

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

    Andersen, Per Kragh, 1993, In: Ugeskrift for læger. 155, p. 1982-1983

    Research output: Contribution to journal › Journal article › Research

  32. Published

    Score test of homogeneity for survival data

    Commenges, D. & Andersen, Per Kragh, 1993, København: Museum Tusculanum. 17 p.

    Research output: Book/Report › Report › Research

  33. Published

    Smear misclassification in a cervical cancer screening programme.

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

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

  34. Published

    Survival analysis and neural nets

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

    Research output: Book/Report › Report › Research

  35. Published

    The waiting period of asylum seekers as a health problem.

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

    Research output: Contribution to journal › Journal article › Research

  36. 1994
  37. Published

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

    Andersen, Per Kragh, 1994, In: Oyo Tokeigaku. 43, p. 82-83

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

  38. Published

    Hvad betyder fejlklassificering af smearprøver i et screeningsprogram

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

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

  39. Published

    Statistisk analyse af overlevelsesdata ved lægevidenskabelige undersøgelser

    Andersen, Per Kragh & Væth, M., 1994, FADL's Forlag. 211 p.

    Research output: Book/Report › Book › Research

  40. Published

    Survival analysis and neural nets

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

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

  41. Published

    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, Per Kragh, Ring-Larsen, H. & Eurohep, 1994, In: Journal of Hepatology. 21, p. 646-655

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

  42. 1995
  43. Published

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

    Andersen, Per Kragh & Rønn, B. B., 1995, In: Biometrics. p. 323-329

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

  44. Published

    En 5-års overlevelsesanalyse af 526 konsekutivt indsatte implantater

    Gotfredsen, Klaus, Hjørting-Hansen, E. & Andersen, Per Kragh, 1995, In: Tandlaegebladet. 6, p. 254-7 3 p.

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

  45. Published

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

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

    Research output: Book/Report › Report › Research

  46. Published

    Medical statistics: An example from diabetes epidemiology

    Lock-Andersen, J., Hou-Jensen, K., Hansen, J. P. H., Jensen, N. K., Søgaard, H. & Andersen, Per Kragh, 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

  47. Published

    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, Per Kragh, 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

  48. Published

    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, Birthe, Marbiah, N. T., Burghaus, P. A. & Andersen, Per Kragh, 1995, In: Infection and Immunity. 63, 10, p. 4034-4038

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

  49. Published

    Score test of homogeneity for survival data

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

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

  50. Published

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

    Andersen, Per Kragh, 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

  51. Published

    Survival analysis

    Andersen, Per Kragh & Keiding, N., 1995, Biostatistisk Afdeling: Museum Tusculanum. 26 p.

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

  52. 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., 1995, Biostatistisk Afdeling: Museum Tusculanum. 26 p.

    Research output: Book/Report › Book › Research

  53. Published

    Variance components models for survival data

    Petersen, Jørgen Holm, Andersen, Per Kragh & Gill, R. D., 1995, Biostatistisk Afdeling: Museum Tusculanum. 24 p.

    Research output: Book/Report › Book › Research

  54. 1996
  55. Published

    Variance components models for survival data

    Petersen, Jørgen Holm, Andersen, Per Kragh & Gill, R. D., 1996, In: Statistica Neerlandica. 50, 1, p. 193-211 19 p.

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

  56. 1997
  57. Published

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

    Westergaard, T., Andersen, Per Kragh, 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

  58. Published

    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, Per Kragh, 1997, In: International Journal of Cancer. 72, p. 977-981

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

  59. Published

    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, Per Kragh, 1997, In: BMJ. British Medical Journal (International Ed.). 315, p. 1654-1655

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

  60. Published

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

    Andersen, Per Kragh, 1997, In: Statistics in Medicine. 16, p. 714-715

    Research output: Contribution to journal › Literature review › Research

  61. Published

    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, Per Kragh, Jensen, G. & Sørensen, Thorkild I.A., 1997, In: Journal of Epidemiology & Community Health. 51, p. 266-271

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

  62. Published

    Contributions on survival analysis to the Encyclopedia of Biostatistics

    Andersen, Per Kragh, 1997, Københavns Universitet: Department of Biostatistics. 24 p.

    Research output: Book/Report › Book › Research

  63. Published

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

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

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

  64. Published

    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, Per Kragh & 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

  65. 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, 1997, In: New England Journal of Medicine. 336, p. 81-85

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

  66. Published

    Induced abortion and the risk of breast cancer [2] (multiple letters)

    Brind, J., Chichilli, V. M., Senghas, R. E., Dolan, M. F., Melbye, M., Wohlfahrt, J. & Andersen, Per Kragh, 1997, In: New England Journal of Medicine. 336, 25, p. 1834-1835 2 p.

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

  67. Published

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

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

    Research output: Contribution to journal › Letter › Research

  68. Published

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

    Andersen, Per Kragh, Esbjerg, S. & Sørensen, Thorkild I.A., 1997, Department of Biostatistics: Museum Tusculanum. 19 p.

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

  69. Published

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

    Andersen, Per Kragh, 1997, In: Ugeskrift for læger. 159, p. 3794

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

  70. Published

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

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

    Research output: Book/Report › Book › Research

  71. Published

    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, Per Kragh, 1997, In: American Journal of Epidemiology. 145, p. 629-635

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

  72. 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/Report › Report › Research

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

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

  75. 1998
  76. 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/Report › Report › Research

  77. 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 proceeding › Book chapter › Research

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

  79. 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/Report › Report › Research

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

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

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

  83. Published

    Exponential distribution

    Klein, J. P., Andersen, Per Kragh & Keiding, N., 1998, Encyclopedia of Biostatistics. vol. 2. IEEE Computer Society Press, p. 1447-1448

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

  84. Published

    Has Risk associated with Smoking increased? Results from the Copenhagen Center for Prospective Population Studies

    Prescott, Eva, Osler, Merete, Andersen, Per Kragh, Bjer, A., Hein, H. C., Borch-Johnsen, K., Lange, P., Schnohr, P. & Vestbo, J., 1998, In: International Journal of Epidemiology. 26, p. 1214-8

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

  85. Published

    Hazard ratio estimator

    Andersen, Per Kragh, 1998, Encyclopedia of Biostatistics, vol. 3. IEEE Computer Society Press, p. 1829-1831

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

  86. Published

    Letter to the editor: Re: Accounting for pregnancy dependence in epidemiologic studies of pregnancy outcomes

    Olsen, J. & Andersen, Per Kragh, 1998, In: Epidemiology. 9, p. 363

    Research output: Contribution to journal › Letter › Research

  87. Published

    Modeling covariate adjusted mortality relative to a standard population: Does bone marrow transplantation provide a cure?

    Andersen, Per Kragh, Horowitz, M. M., Klein, J. P., Socie, G., Stone, J. V. & Zhang, M., 1998, University of Copenhagen: Department of Biostatistics. 18 p.

    Research output: Book/Report › Report › Research

  88. Published

    Mortality in women and men in relation to smoking

    Prescott, Eva, Osler, Merete, Andersen, Per Kragh, Hein, H. O., Borch-Johnsen, K., Lange, Peter, Schnohr, P. & Vestbo, J., 1998, In: International Journal of Epidemiology. 27, p. 27-32

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

  89. Published

    Predictors of recurrence in affective disorder. A case register study

    Kessing, Lars Vedel, Andersen, Per Kragh & Mortensen, P. B., 1998, In: Journal of Affective Disorders. 49, p. 101-108

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

  90. Published

    Proportional hazards, overview

    Andersen, Per Kragh, 1998, Encyclopedia of Biostatistics, vol. 5. IEEE Computer Society Press, p. 3555

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

  91. Published

    Provokeret abort og risiko for brystkræft.

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

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

  92. Published

    Recurrence in affective disorder

    Kessing, Lars Vedel, Andersen, Per Kragh, 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

  93. Published

    Risk set

    Andersen, Per Kragh, 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

  94. Published

    Survival analysis, overview

    Andersen, Per Kragh & 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

  95. Published

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

    Westergaard, T., Andersen, Per Kragh, 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

  96. Published

    Time-dependent covariate

    Andersen, Per Kragh, 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

  97. Published

    Total time on test

    Andersen, Per Kragh & 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

  98. Published

    Type-specific covariates in survival analysis

    Andersen, Per Kragh, 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

  99. Published

    Weibull distribution

    Klein, J. P., Andersen, Per Kragh & 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

  100. 1999
  101. Published

    A sensitivity analysis of secular trends in risk factors and mortality based on cohort studies

    Prescott, Eva, Andersen, Per Kragh, Osler, Merete, Lange, Peter & Vestbo, J., 1999, In: Epidemiology. 2, p. 176-80

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

  102. Published

    Adjustment for age at first birth in etiologic studies of breast cancer involving exposures that may affect age at first birth [2]

    Melbye, M., Wohlfahrt, J. & Andersen, Per Kragh, 1999, In: Epidemiology. 10, 4, 1 p.

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

  103. Published

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

    Altman, D. G. & Andersen, Per Kragh, 1999, In: BMJ. British Medical Journal (International Ed.). 319, p. 1492-1495

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

  104. Published

    Dementia in affective disorder: a case register study.

    Kessing, Lars Vedel, Andersen, Elisabeth Anne Wreford, Mortensen, P. B. & Andersen, Per Kragh, 1999, In: Acta Psychiatrica Scandinavica. 100, p. 176-185

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

  105. Published

    Effects of family history and place and season of birth on the risk of schizophrenia.

    Mortensen, P. B., Pedersen, C. B., Westergaard, T., Wohlfarth, J., Ewald, H., Mors, O., Andersen, Per Kragh & Melbye, M., 1999, In: New England Journal of Medicine. 340, p. 603-608

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

  106. Published

    Letter to the editor: Adjustment for age at first birth in etiologic studies of breast cancer involving exposures that may affect age at first birth.

    Melbye, M., Wohlfahrt, J. & Andersen, Per Kragh, 1999, In: Epidemiology. 10, p. 467

    Research output: Contribution to journal › Letter › Research

  107. Published

    Multivariate competing risks

    Wohlfahrt, J., Andersen, Per Kragh & Melbye, M., 1999, In: Statistics in Medicine. 18, p. 1023-1030

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

  108. Published

    Panum symposium on the Future of Epidemiology, Copenhagen, Denmark, 25 January 1999: Prologue

    Olsen, J., Andersen, Per Kragh, Melbye, M. & Aaby, P., 1999, In: International Journal of Epidemiology. 28, 5, p. S996

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

  109. Published

    Preterm delivery and risk of breast cancer.

    Melbye, M., Wohlfahrt, J., Andersen, Per Kragh, Nybo Andersen, Anne-Marie & Westergaard, T., 1999, In: British Journal of Cancer. 80, p. 609-613

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

  110. Published

    Recurrence in affective disorder: analyses with frailty models.

    Kessing, Lars Vedel, Andersen, Elisabeth Anne Wreford & Andersen, Per Kragh, 1999, In: American Journal of Epidemiology. 149, p. 404-411

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

  111. Published

    Reproductive History and Stage of Breast Cancer

    Wohlfahrt, J., Andersen, Per Kragh, Mouridsen, H. T., Adami, H. & Melbye, M., 1999, In: American Journal of Epidemiology. 150, p. 1325-30

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

  112. Published

    Reproductive risk factors for breast cancer by receptor status, histology, laterality and location.

    Wohlfahrt, J., Mouridsen, H. T., Andersen, Per Kragh & Melbye, M., 1999, In: International Journal of Cancer. 81, p. 49-55

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

  113. Published

    Risk Factors for parvovirus B19 infection in pregnancy.

    Valeur-Jensen, A. K., Pedersen, C. B., Westergaard, T., Jensen, I. P., Lebech, M., Andersen, Per Kragh, Melbye, M. & Pedersen, B. N., 1999, In: JAMA - Journal of the American Medical Association. 281, p. 1099-1105

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

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