Per Kragh Andersen

Per Kragh Andersen

Professor


  1. Published

    Regression Modeling of Competing Risks Data Based on Pseudovalues of the Cumulative Incidence Function

    Klein, J. P. & Andersen, Per Kragh, 2005, In: Biometrics. 61, p. 223-229

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Lithium in drinking water and incidence of suicide: A nationwide individual-level cohort study with 22 years of follow-up

    Knudsen, N. N., Schullehner, J., Hansen, B., Jørgensen, L. F., Kristiansen, S. M., Voutchkova, D. D., Gerds, Thomas Alexander, Andersen, Per Kragh, Bihrmann, K., Grønbæk, M., Kessing, Lars Vedel & Ersbøll, A. K., 10 Jun 2017, In: International Journal of Environmental Research and Public Health. 14, 6, p. 1-13 13 p., 627.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Social, demographic and health characteristics of men fathering children at different ages

    Kornerup, N., Nybo Andersen, Anne-Marie, Andersen, Per Kragh, Bilsteen, Josephine Funck & Urhoj, Stine Kjaer, 2021, In: Scientific Reports. 11, 1, 12 p., 21021 .

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Analysis of time-to-event for observational studies: Guidance to the use of intensity models

    Andersen, Per Kragh, Pohar Perme, M., van Houwelingen, H. C., Cook, R. J., Joly, P., Martinussen, Torben, Taylor, J. M. G., Abrahamowicz, M. & Therneau, T. M., 2021, In: Statistics in Medicine. 40, 1, p. 185-211 27 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Does the association between broken partnership and first time myocardial infarction vary with time after break-up?

    Kriegbaum, Margit, Christensen, U., Andersen, Per Kragh, Osler, Merete & Lund, Rikke, Dec 2013, In: International Journal of Epidemiology. 42, 6, p. 1811-9 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. 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 journalJournal articleResearchpeer-review

  7. Published

    Factors influencing the effect of age on prognosis in breast cancer: population based study

    Kroman, N., Jensen, M., Wohlfahrt, J., Mouridsen, H. T., Andersen, Per Kragh & Melbye, M., 2000, In: BMJ. British Medical Journal (International Ed.). 320, p. 474-479

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Bør alle yngre mammacancerpatienter tilbydes adjuverende cytotoksisk kemoterapi?

    Kroman, N., Jensen, M., Wohlfahrt, J., Mouridsen, H. T., Andersen, Per Kragh & Melbye, M., 2000, In: Ugeskrift for læger. 162/22, p. 3184-3188

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Repeated events and total time on test

    Kvist, K., Andersen, Per Kragh, Angst, J. & Kessing, L. V., 2008, In: Statistics in Medicine. 27, 19, p. 3817-3832 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Event dependent sampling of recurrent events

    Kvist, K., Andersen, Per Kragh, Angst, J. & Kessing, Lars Vedel, 2010, In: Lifetime Data Analysis. 16, 4, p. 580-598 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Nonparametric estimation of marginal gap time distributions for recurrent events

    Kvist, T. K., Andersen, Per Kragh & Kessing, Lars Vedel, 2006.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  12. Published

    Repeated events and total time on test

    Kvist, T. K., Andersen, Per Kragh & Kessing, Lars Vedel, 2006, Department of Biostatistics: Museum Tusculanum. (Research report).

    Research output: Book/ReportReportResearch

  13. Published

    The total time on test plot for repeated events

    Kvist, T. K., Andersen, Per Kragh & Kessing, Lars Vedel, 2005.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  14. Published

    Event dependent sampling of recurrent events

    Kvist, T. K., Andersen, Per Kragh, Angst, J. & Kessing, Lars Vedel, 2009, Department of Biostatistics: Museum Tusculanum.

    Research output: Working paperResearch

  15. Published

    Event dependent selection of recurrent events

    Kvist, T. K., Andersen, Per Kragh & Kessing, Lars Vedel, 2009.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  16. Published

    Effects of event-dependent selection in analysis of recurrent events

    Kvist, T. K., Andersen, Per Kragh & Kessing, Lars Vedel, 2008.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  17. Published

    Acute and transient psychosis in old age and the subsequent risk of dementia: a nationwide register-based study

    Kørner, A., Lopez, A. G., Lauritzen, L., Andersen, Per Kragh, Kessing, Lars Vedel, Kørner, A., Lopez, A. G., Lauritzen, L., Andersen, P. K. & Kessing, Lars Vedel, 2009, In: Geriatrics & Gerontology International. 9, 1, p. 62-8 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Late and very-late first-contact schizophrenia and the risk of dementia--a nationwide register based study

    Kørner, A., Lopez, A. G., Lauritzen, L., Andersen, Per Kragh, Kessing, Lars Vedel, Kørner, A., Lopez, A. G., Lauritzen, L., Andersen, P. K. & Kessing, Lars Vedel, 2009, In: International Journal of Geriatric Psychiatry. 24, 1, p. 61-7 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Delusional disorder in old age and the risk of developing dementia: a nationwide register-based study

    Kørner, A., Lopez, A. G., Lauritzen, L., Andersen, Per Kragh & Kessing, Lars Vedel, 2008, In: Aging & Mental Health. 12, 5, p. 625-9 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    A changing relationship between disability and survival in the elderly population: differences by age

    Lamarca, R., Ferrer, M., Andersen, Per Kragh, Liestol, K., Keiding, N. & Alonso, J., Dec 2003, In: Journal of Clinical Epidemiology. 56, 12, p. 1192-201 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Relation of nonsteroidal anti-inflammatory drugs to serious bleeding and thromboembolism risk in patients with atrial fibrillation receiving antithrombotic therapy: a nationwide cohort study

    Lamberts, M., Lip, G. Y. H., Hansen, M. L., Lindhardsen, J., Olesen, J. B., Raunsø, J., Olsen, A. S., Andersen, Per Kragh, Gerds, Thomas Alexander, Fosbøl, Emil Loldrup, Torp-Pedersen, Christian & Gislason, G. H., 18 Nov 2014, In: Annals of Internal Medicine. 161, 10, p. 690-8 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Binge drinking of alcohol and risk of fetal death

    Larsen, K. S., Nielsen, N. R., Grønbæk, M., Andersen, Per Kragh, Olsen, J. & Andersen, A. M. N., 2006, In: American Journal of Epidemiology. 163 (suppl.), p. S53

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. 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

  24. Published

    Weight trajectories and disordered eating behaviours in 11-to 12-year-olds: A longitudinal study within the Danish National Birth Cohort

    Larsen, P. S., Nybo Andersen, Anne-Marie, Olsen, E. M., Andersen, Per Kragh, Micali, N. & Strandberg-Larsen, Katrine, 2019, In: European Eating Disorders Review. 27, 4, p. 436-444 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    A Note on the Measurement of Socioeconomic Inequalities in Life Years Lost by Cause of Death

    Latouche, A., Andersen, Per Kragh, Rey, G. & Moreno-Betancur, M., 2019, In: Epidemiology. 30, 4, p. 569-572 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Cause-specific life years lost among persons diagnosed with schizophrenia: Is it getting better or worse?

    Laursen, T. M., Plana-Ripoll, O., Andersen, Per Kragh, McGrath, J. J., Toender, A., Nordentoft, Merete, Canudas-Romo, V. & Erlangsen, A., 2019, In: Schizophrenia Research. 206, p. 284-290 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Updating of covariates and choice of time origin in survival analysis: problems with vaguely defined disease states

    Liestøl, K. & Andersen, Per Kragh, 2002, In: Statist. Med.. 21, p. 3701-3714

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. 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 journalJournal articleResearchpeer-review

  29. Published

    Survival analysis and neural nets

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

    Research output: Book/ReportReportResearch

  30. Published

    Updated covariates in survival analysis

    Liestøl, K. & Andersen, Per Kragh, 2000, Research Report 00/7. 36 p.

    Research output: Book/ReportReportResearch

  31. 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 journalJournal articleResearchpeer-review

  32. 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 journalJournal articleResearchpeer-review

  33. 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 journalJournal articleResearchpeer-review

  34. Published

    Contrast-enhanced ultrasound compared with computed tomography, magnetic resonance imaging, and positron emission tomography for diagnosing liver metastases in people with newly diagnosed colorectal cancer

    Lund, M., Bjerre, T. A., Grønbaek, H., Mortensen, F. & Andersen, Per Kragh, 10 Oct 2016, In: Cochrane Database of Systematic Reviews. 2016, 10, 18 p., CD012388.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    Cohabitation status vs. marital status as predictors of mortality. An eight year follow-up study among middle-aged and elderly women and men

    Lund, Rikke, Due, P., Modvig, J., Holstein, B. E., Damsgaard, M. T. & Andersen, Per Kragh, 2002.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  36. Published

    Cohabitation and marital status as predictors of mortality--an eight year follow-up study.

    Lund, Rikke, Due, P., Modvig, J., Holstein, B. E., Damsgaard, M. T. & Andersen, Per Kragh, 2002, In: Social Science & Medicine. 55, 4, p. 673-9 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published
  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 journalJournal articleResearchpeer-review

  39. 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 journalJournal articleResearchpeer-review

  40. Published

    Does the association of education with breast cancer replicate within twin pairs? A register-based study on Danish female twins

    Madsen, M., Andersen, Per Kragh, Gerster, M., Nybo Andersen, Anne-Marie, Christensen, K. & Osler, Merete, 1 Feb 2011, In: B J C. 104, 3, p. 520-3 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    Leisure time physical exercise during pregnancy and the risk of miscarriage: a study within the Danish National Birth Cohort

    Madsen, M., Jorgensen, T., Jensen, M. L., Juhl, M., Olsen, J., Andersen, Per Kragh & Nybo Andersen, Anne-Marie, 2011, In: Journal of Reproductive Immunology.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Are familial factors underlying the association between socioeconomic position and prescription medicine? A register-based study on Danish twins

    Madsen, M., Andersen, Per Kragh, Gerster, M., Nybo Andersen, Anne-Marie, Osler, Merete & Christensen, K., 2013, In: B M J Open. 3, 11, p. e003292

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Does educational status impact adult mortality in Denmark? A twin approach

    Madsen, M., Nybo Andersen, Anne-Marie, Christensen, K., Andersen, Per Kragh & Osler, Merete, Jul 2010, In: American Journal of Epidemiology. 172, 2, p. 225-34 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    Motion under graviditeten og risikoen for spontan abort--sekundaerpublikation

    Madsen, M., Jørgensen, Tina, Jensen, M. L., Juhl, M., Olsen, J., Andersen, Per Kragh & Andersen, A. N., 2008, In: Ugeskrift for læger. 170, 36, p. 2772-5 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Are the educational differences in incidence of cardiovascular disease explained by underlying familial factors? A twin study

    Madsen, M., Andersen, Per Kragh, Gerster, M., Nybo Andersen, Anne-Marie, Christensen, K. & Osler, Merete, Oct 2014, In: Social science & medicine (1982). 118, p. 182-90 9 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  46. E-pub ahead of print

    The effect of the SAFE intervention on post-discharge suicidal behavior: a quasi-experimental study using propensity score matching

    Madsen, Trine, Erlangsen, A., Egilsdottir, E., Andersen, Per Kragh & Nordentoft, Merete, 2024, (E-pub ahead of print) In: Social Psychiatry and Psychiatric Epidemiology. 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Expected life years compared to the general population

    Manevski, D., Gorenjec, N. R., Andersen, Per Kragh & Perme, M. P., 2023, In: Biometrical Journal. 65, 4, 17 p., 2200070.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Subtleties in the interpretation of hazard contrasts

    Martinussen, Torben, Vansteelandt, S. & Andersen, Per Kragh, 2020, In: Lifetime Data Analysis. 26, p. 833–855 23 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Multi-state models for the analysis of time-to-event data

    Meira-Machado, L., de Uña-Alvarez, J., Cadarso-Suárez, C. & Andersen, Per Kragh, 2009, In: Statistical Methods in Medical Research. 18, 2, p. 195-222 27 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. 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 journalLetterResearchpeer-review

  51. 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

  52. 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 journalLetterResearch

  53. 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 journalJournal articleResearchpeer-review

  54. 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 journalJournal articleResearchpeer-review

  55. Published

    Induced Abortion and Risk of Breast Cancer - Authors reply.

    Melbye, M., Wohlfahrt, J. & Andersen, Per Kragh, 2000, In: Epidemiology. Vol. 11, No. 2, p. 235

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. 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 journalJournal articleResearchpeer-review

  57. 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 journalLetterResearch

  58. 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 journalJournal articleResearchpeer-review

  59. 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

  60. Published

    A finite-state continuous-time approach for inferring regional migration and mortality rates from archival tagging and conventional tag-recovery experiments

    Miller, T. J. & Andersen, Per Kragh, 2008, In: Biometrics. 64, 4, p. 1196-1206 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  61. Published

    Socioeconomic disparities in birth weight and body mass index during infancy through age 7 years: a study within the Danish National Birth Cohort

    Morgen, C. S., Andersen, Per Kragh, Mortensen, Laust Hvas, Howe, L. D., Rasmussen, M., Due, P., Sørensen, Thorkild I.A. & Nybo Andersen, Anne-Marie, 20 Jan 2017, In: B M J Open. 7, 1, p. 1-11 11 p., e011781.

    Research output: Contribution to journalJournal articleResearchpeer-review

  62. Published

    Socioeconomic position and the risk of preterm birth - a study within the Danish National Birth Cohort

    Morgen, C. S., Bjork, C., Andersen, Per Kragh, Mortensen, L. H. & Andersen, A. M. N., 2008, In: International Journal of Epidemiology. 37, 5, p. 1109-1120 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  63. Published

    Single-institution long-term outcomes for patients receiving nonmyeloablative conditioning hematopoeitic cell transplantation for chronic lymphocytic leukemia and follicular lymphoma

    Mortensen, B. K., Petersen, S., Kornblit, B., Andersen, Per Kragh, Braendstrup, P., Andersen, N. S., Sengeløv, H. & Vindeløv, L., 2012, In: European Journal of Haematology. 89, 2, p. 151-159 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  64. 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 journalJournal articleResearchpeer-review

  65. Published

    Does access to invasive examination and treatment influence socioeconomic differences in case fatality for patients admitted for the first time with non-ST-elevation myocardial infarction or unstable angina?

    Mårtensson, S., Gyrd-Hansen, D., Prescott, Eva, Andersen, Per Kragh, Gislason, Gunnar Hilmar, Jacobsen, R. K. & Osler, Merete, 20 Apr 2016, In: EuroIntervention. 11, 13, p. 1495-1502 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  66. Published

    Trends in time to invasive examination and treatment from 2001 to 2009 in patients admitted first time with non-ST elevation myocardial infarction or unstable angina in Denmark

    Mårtensson, S., Gyrd-Hansen, D., Prescott, Eva, Andersen, Per Kragh, Zwisler, A. O. & Osler, Merete, 2014, In: B M J Open. 4, 1, 10 p., e004052.

    Research output: Contribution to journalJournal articleResearchpeer-review

  67. Published

    Socio-economic position and time trends in invasive management and case fatality after acute myocardial infarction in Denmark

    Mårtensson, S., Gyrd-Hansen, D., Prescott, Eva, Andersen, Per Kragh, Jacobsen, R. K. & Osler, Merete, Feb 2016, In: European Journal of Public Health. 26, 1, p. 146-152 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  68. Published

    Mode of Delivery according to Leisure Time Physical Activity before and during Pregnancy: A Multicenter Cohort Study of Low-Risk Women

    Nielsen, E. N., Andersen, Per Kragh, Hegaard, Hanne Kristine & Juhl, M., 2017, In: Journal of Pregnancy. 2017, p. 1-8 8 p., 6209605.

    Research output: Contribution to journalJournal articleResearchpeer-review

  69. 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/ReportReportResearch

  70. 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 journalJournal articleResearchpeer-review

  71. Published

    Mortality patterns during a war in Guinea-Bissau 1998-99: changes in risk factors?

    Nielsen, J., Jensen, H., Andersen, Per Kragh & Aaby, P., 2006, In: International Journal of Epidemiology. 35, 2, p. 438-445 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  72. Published

    Creating a Reference to a Complex Emergency Situation using Time Series Methods: War in Guinea-Bissau 1998-1999

    Nielsen, J., Jensen, H. & Andersen, Per Kragh, 2005, In: Journal of Applied Statistics. 32(1), p. 75-86

    Research output: Contribution to journalJournal articleResearchpeer-review

  73. Published

    Familial clustering of myocardial infarction in first-degree relatives: a nationwide study

    Nielsen, M., Andersson, C., Gerds, Thomas Alexander, Andersen, Per Kragh, Jensen, T. B., Køber, Lars Valeur, Gislason, Gunnar Hilmar & Torp-Pedersen, Christian, 2013, In: European Heart Journal (Online). 34, 16, p. 1198-1203 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  74. 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 journalJournal articleResearchpeer-review

  75. Published

    Positive and negative aspects of social relations and low-grade inflammation in Copenhagen Aging and Midlife Biobank

    Nilsson, Charlotte Juul, Norgaard, S., Foverskov, Else, Bruunsgaard, Helle, Andersen, Per Kragh & Lund, Rikke, 2020, In: European Journal of Ageing. 17, p. 531–546 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  76. Published

    Enduring increased risk of developing depression and mania in patients with dementia

    Nilsson, F. M., Kessing, Lars Vedel, Sørensen, T. M., Andersen, Per Kragh & Bolwig, T. G., 2002, In: Journal of Neurology, Neurosurgery and Psychiatry. 73, p. 40-44

    Research output: Contribution to journalJournal articleResearchpeer-review

  77. Published

    Affective disorders in neurological diseases: a case register-based study

    Nilsson, F. M., Kessing, Lars Vedel, Sørensen, T. M., Andersen, Per Kragh & Bolwig, T. G., 2003, In: Acta Psychiatrica Scandinavica. 108, p. 41-50

    Research output: Contribution to journalJournal articleResearchpeer-review

  78. Published

    Major depressive disorder in Parkinson's disease: a registerbased study

    Nilsson, F. M., Kessing, Lars Vedel, Sørensen, T. M., Andersen, Per Kragh & Bolwig, T. G., 2002, In: Acta Psychiatrica Scandinavica. 106, p. 202-211

    Research output: Contribution to journalJournal articleResearchpeer-review

  79. Published

    Risk factors for miscarriage from a prevention perspective: a nationwide follow-up study

    Nilsson, S. F., Andersen, Per Kragh, Strandberg-Larsen, Katrine & Nybo Andersen, Anne-Marie, Oct 2014, In: B J O G. 121, 11, p. 1375-85 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  80. Published

    Cohort Profile: The Social Inequality in Cancer (SIC) cohort study

    Nordahl, H., Hvidtfeldt, U. A., Diderichsen, Finn, Rod, Naja Hulvej, Osler, Merete, Frederiksen, B. L., Prescott, Eva, Tjønneland, A., Lange, Theis, Keiding, N., Andersen, Per Kragh & Andersen, Ingelise, Dec 2014, In: International Journal of Epidemiology. 43, 6, p. 1750-1758 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  81. Published

    Joint effect of alcohol consumption and educational level on alcohol-related medical events: A Danish register-based cohort study

    Nordahl Christensen, H., Diderichsen, Finn, Hvidtfeldt, U. A., Lange, Theis, Andersen, Per Kragh, Osler, Merete, Prescott, Eva, Tjønneland, Anne, Rod, Naja Hulvej & Andersen, Ingelise, Nov 2017, In: Epidemiology. 28, 6, p. 872–879 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  82. Published

    Socioeconomic position and the risk of spontaneous abortion: a study within the Danish National Birth Cohort

    Norsker, F. N., Espenhain, L., á Rogvi, Sofie, Morgen, C. S., Andersen, Per Kragh & Nybo Andersen, Anne-Marie, 25 Jun 2012, In: BMJ Open. 2, 3, e001077.

    Research output: Contribution to journalJournal articleResearchpeer-review

  83. Published

    Meta-analysis: Nitroglycerin for prevention of post-ERCP pancreatitis

    Nøjgaard, C., Matzen, P., Andersen, Per Kragh, Bang, U. C., Bang, U. C., Nøjgaard, C., Andersen, P. K. & Matzen, P., 2009, In: Alimentary Pharmacology and Therapeutics. 29, 10, p. 1078-85 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  84. Published

    Does glyceryl nitrate prevent post-ERCP pancreatitis? A prospective, randomized, double-blind, placebo-controlled multicenter trial

    Nøjgaard, C., Hornum, Mads, Elkjaer, M., Hjalmarsson, C., Heyries, L., Hauge, T., Bakkevold, K., Andersen, Per Kragh, Matzen, P., European Post-ERCP Pancreatitis Preventing Study Group, E. P. P. P. S. G., Nøjgaard, C., Hornum, M., Elkjaer, M., Hjalmarsson, C., Heyries, L., Hauge, T., Bakkevold, K., Andersen, P. K., Matzen, P. & NN, N., 2009, In: Gastrointestinal Endoscopy. 69, 6, p. e31-7

    Research output: Contribution to journalJournal articleResearchpeer-review

  85. Published

    Familial Clustering of Staphylococcus aureus Bacteremia in First-Degree Relatives: A Danish Nationwide Cohort Study

    Oestergaard, L. B., Christiansen, M. N., Schmiegelow, M. D., Skov, R. L., Andersen, P. S., Petersen, A., Aasbjerg, K., Gerds, Thomas Alexander, Andersen, Per Kragh & Torp-Pedersen, Christian, 20 Sep 2016, In: Annals of Internal Medicine. 165, 6, p. 390-398 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  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 journalLetterResearch

  87. 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 journalEditorialResearchpeer-review

  88. Published

    The future of epidemiology

    Olsen, J., Andersen, Per Kragh, Sørensen, T. I. A., Melbye, M. & Aaby, P., 1999, In: International Journal of Epidemiology. 28, p. 995-1024

    Research output: Contribution to journalJournal articleResearch

  89. Published

    We should monitor human fecundity, but how? A suggestion for a new method that may also be used to identify determinants of low fecundity.

    Olsen, J. & Andersen, Per Kragh, 1999, In: Epidemiology. 10, p. 419-421

    Research output: Contribution to journalJournal articleResearchpeer-review

  90. Published

    Electroconvulsive therapy and risk of dementia in patients with affective disorders: a cohort study

    Osler, Merete, Rozing, Maarten Pieter, Okholm, Gunhild Tidemann, Andersen, Per Kragh & Jørgensen, Martin Balslev, 2018, In: Lancet Psychiatry. 5, 4, p. 348-356 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  91. Published

    The Impact of Comorbid Depression on Educational Inequality in Survival after Acute Coronary Syndrome in a Cohort of 83 062 Patients and a Matched Reference Population

    Osler, Merete, Prescott, Eva, Wium-Andersen, I. K., Ibfelt, E. H., Jørgensen, Martin Balslev, Andersen, Per Kragh, Jørgensen, Terese Sara Høj, Wium-Andersen, M. K. & Mårtensson, S., 29 Oct 2015, In: PloS one. p. 1-11 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  92. Published

    Depression After First Hospital Admission for Acute Coronary Syndrome: A Study of Time of Onset and Impact on Survival

    Osler, Merete, Mårtensson, S., Wium-Andersen, I. K., Prescott, Eva, Andersen, Per Kragh, Jørgensen, Terese Sara Høj, Carlsen, K., Wium-Andersen, M. K. & Jørgensen, Martin Balslev, 1 Feb 2016, In: American Journal of Epidemiology. 183, 3, p. 218-226 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  93. Published

    Pseudo-observations in a multistate setting

    Overgaard, M., Andersen, Per Kragh & Parner, E. T., 2023, In: Stata Journal. 23, 2, p. 491-517 27 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  94. Published

    Regression analysis of censored data using pseudo-observations: An update

    Overgaard, M., Andersen, Per Kragh & Parner, E. T., 2015, In: Stata Journal. 15, 3, p. 809-821 12 p., st0202_1.

    Research output: Contribution to journalJournal articleResearchpeer-review

  95. Published

    Regression models for censored time-to-event data using infinitesimal jack-knife pseudo-observations, with applications to left-truncation

    Parner, E. T., Andersen, Per Kragh & Overgaard, M., 2023, In: Lifetime Data Analysis. 29, p. 654–671 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  96. Published

    Cumulative risk regression in case–cohort studies using pseudo-observations

    Parner, E. T., Andersen, Per Kragh & Overgaard, M., 2020, In: Lifetime Data Analysis. 26, 4, p. 639-658 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  97. Published

    Regression analysis of censored data using pseudo-observations

    Parner, E. T. & Andersen, Per Kragh, 2010, In: Stata Journal. 10, 3, p. 408-422 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  98. Published

    Goodness of fit tests for estimating equations based on pseudo-observations

    Pavlič, K., Martinussen, Torben & Andersen, Per Kragh, 2019, In: Lifetime Data Analysis. 25, 2, p. 189-205 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  99. Published

    Determinants of Binge Drinking among Adolescents in Denmark

    Pedersen, M., Andersen, Per Kragh & Sabroe, S., 2014, In: Scandinavian Journal of Child and Adolescent Psychiatry and Psychology. 2, 3, p. 135-142 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  100. Published

    Tutorial in Biostatistics

    Perme, M. P. & Andersen, Per Kragh, 2008, Statistics in medicine. Vol. 27. p. 5309-5328 19 p.

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

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