Per Kragh Andersen
Professor
Section of Biostatistics
Postboks 2099, Øster Farimagsgade 5 opg. B, 1014 København K, 10 Øster Farimagsgade 5, Building: 10-2-01
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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. 223-229Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 646-655Research output: Contribution to journal › Journal article › Research › peer-review
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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. 474-479Research output: Contribution to journal › Journal article › Research › peer-review
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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. 3184-3188Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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Nonparametric estimation of marginal gap time distributions for recurrent events
Kvist, T. K., Andersen, Per Kragh & Kessing, Lars Vedel, 2006.Research output: Contribution to conference › Conference abstract for conference › Research
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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/Report › Report › Research
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The total time on test plot for repeated events
Kvist, T. K., Andersen, Per Kragh & Kessing, Lars Vedel, 2005.Research output: Contribution to conference › Conference abstract for conference › Research
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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 paper › Research
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Event dependent selection of recurrent events
Kvist, T. K., Andersen, Per Kragh & Kessing, Lars Vedel, 2009.Research output: Contribution to conference › Conference abstract for conference › Research
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Effects of event-dependent selection in analysis of recurrent events
Kvist, T. K., Andersen, Per Kragh & Kessing, Lars Vedel, 2008.Research output: Contribution to conference › Conference abstract for conference › Research
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. S53Research output: Contribution to journal › Journal article › Research › peer-review
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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. 1707-1714Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 3701-3714Research output: Contribution to journal › Journal article › Research › peer-review
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Survival analysis and neural nets
Liestøl, K., Andersen, Per Kragh & Andersen, U., 1994, In: Statistics in Medicine. 13, p. 1189-1200Research output: Contribution to journal › Journal article › Research › peer-review
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Survival analysis and neural nets
Liestøl, K., Andersen, Per Kragh & Andersen, U., 1993, København: Museum Tusculanum. 19 p.Research output: Book/Report › Report › Research
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Updated covariates in survival analysis
Liestøl, K. & Andersen, Per Kragh, 2000, Research Report 00/7. 36 p.Research output: Book/Report › Report › Research
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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. 141-148Research output: Contribution to journal › Journal article › Research › peer-review
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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. 141-148Research output: Contribution to journal › Journal article › Research › peer-review
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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. 519-526Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 conference › Conference abstract for conference › Research
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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 journal › Journal article › Research › peer-review
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The effectiveness of structured personal care of type 2 diabetes on recurrent outcomes: a 19 year follow-up of the study Diabetes Care in General Practice (DCGP)
Lundström, H. M., Siersma, Volkert Dirk, Nielsen, Anni Brit Sternhagen, Brodersen, John Brandt, Reventlow, Susanne, Andersen, Per Kragh & Olivarius, Niels de Fine, Jun 2014, In: Diabetologia. 57, 6, p. 1119-23 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Hvad betyder fejlklassificering af smearprøver i et screeningsprogram
Lynge, Elsebeth, Arffmann, E., Poll, P. & Andersen, Per Kragh, 1994, In: Ugeskrift for læger. 156, p. 2594-2596Research output: Contribution to journal › Journal article › Research › peer-review
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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. 368-373Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. e003292Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Comment/debate › Research › peer-review
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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, In: Social Psychiatry and Psychiatric Epidemiology. 59, p. 1053–1061 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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
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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. 270-276Research output: Contribution to journal › Journal article › Research › peer-review
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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. 467Research output: Contribution to journal › Letter › Research
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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. 5178-5182Research output: Contribution to journal › Journal article › Research › peer-review
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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. 609-613Research output: Contribution to journal › Journal article › Research › peer-review
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Induced Abortion and Risk of Breast Cancer - Authors reply.
Melbye, M., Wohlfahrt, J. & Andersen, Per Kragh, 2000, In: Epidemiology. Vol. 11, No. 2, p. 235Research output: Contribution to journal › Journal article › Research › peer-review
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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. 81-85Research output: Contribution to journal › Journal article › Research › peer-review
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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. 1835Research output: Contribution to journal › Letter › Research
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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. 1654-1655Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 603-608Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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
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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. 25-43Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 75-86Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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
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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 journal › Journal article › Research › peer-review
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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. 40-44Research output: Contribution to journal › Journal article › Research › peer-review
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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. 41-50Research output: Contribution to journal › Journal article › Research › peer-review
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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. 202-211Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. e31-7Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 363Research output: Contribution to journal › Letter › Research
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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. S996Research output: Contribution to journal › Editorial › Research › peer-review
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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. 995-1024Research output: Contribution to journal › Journal article › Research
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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. 419-421Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
- 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 proceeding › Book chapter › Research
ID: 12526
Most downloads
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379
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Lithium in drinking water and incidence of suicide: A nationwide individual-level cohort study with 22 years of follow-up
Research output: Contribution to journal › Journal article › Research › peer-review
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249
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Advanced paternal age and stillbirth rate: a nationwide register-based cohort study of 944,031 pregnancies in Denmark
Research output: Contribution to journal › Journal article › Research › peer-review
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229
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Estimating a population cumulative incidence under calendar time trends
Research output: Contribution to journal › Journal article › Research › peer-review
Published