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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"Analysis of Longitudinal Data. 2nd ed." af P.J. Diggle, P. Heagerty, K.Y. Liang, S.I. Zeger
Andersen, Per Kragh, 2004, In: ISCB Newsletter. 37, p. 5Research output: Contribution to journal › Literature review › Research
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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
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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. 323-329Research 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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A Prospective Study Showing Long-Term Infection with Human Papillomavirus 16 before the Development of Cervical Carcinoma in situ 1: a nested case-control study
Ylitalo, N., Josefsson, A. M., Melbye, M., Sørensen, P., Frisch, M., Andersen, Per Kragh, Sparén, P., Gustafsson, M., Magnusson, P. K. E., Pontén, J., Gyllensten, U. B. & Adami, H., 2000, In: Cancer Research. 60, p. 6027-6032Research output: Contribution to journal › Journal article › Research › peer-review
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A causal inference approach to compare leukaemia treatment outcome in the absence of randomization and with dependent censoring
Bernasconi, D. P., Antolini, L., Rossi, E., Blanco-Lopez, J. G., Galimberti, S., Andersen, Per Kragh & Valsecchi, M. G., 2022, In: International Journal of Epidemiology. 51, 1, p. 314–323 10 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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A class of goodness of fit tests for a coupla based on bivariate right-censored data
Andersen, Per Kragh, Ekstrøm, Claus Thorn, Klein, J. P., Shu, Y. & Zhang, M., 2005, In: Biometrical Journal. 47, 6, p. 815-824 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A competing risks approach to "biologic" interaction
Andersen, Per Kragh & Skrondal, A., Apr 2015, In: Lifetime Data Analysis. 21, 2, p. 300-314 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A comprehensive analysis of mortality-related health metrics associated with mental disorders: a nationwide, register-based cohort study
Plana-Ripoll, O., Pedersen, C. B., Agerbo, E., Holtz, Y., Erlangsen, A., Canudas-Romo, V., Andersen, P. K., Charlson, F. J., Christensen, M. K., Erskine, H. E., Ferrari, A. J., Iburg, K. M., Momen, N., Mortensen, P. B., Nordentoft, M., Santomauro, D. F., Scott, J. G., Whiteford, H. A., Weye, N., McGrath, J. J. & 1 others, , 2019, In: Lancet Oncology. 394, 10211, p. 1827-1835 9 p.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. 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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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 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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A marginal structural model for recurrent events in the presence of time-dependent confounding: non-specific effects of vaccines on child hospitalisations
Jensen, Aksel Karl Georg, Ravn, H., Sørup, S. & Andersen, Per Kragh, 30 Nov 2016, In: Statistics in Medicine. 35, 27, p. 5051-5069 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A nation-wide population-based longitudinal study mapping physical diseases in patients with bipolar disorder and their siblings
Kessing, Lars Vedel, Ziersen, Simon Christoffer, Andersen, Per Kragh & Vinberg, Maj, 2021, In: Journal of Affective Disorders. 282, p. 18-25 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A nation-wide population-based longitudinal study on life expectancy and cause specific mortality in patients with bipolar disorder and their siblings
Kessing, Lars Vedel, Ziersen, Simon Christoffer, Andersen, Per Kragh & Vinberg, Maj, 2021, In: Journal of Affective Disorders. 294, p. 472-476 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A nationwide population-based longitudinal study mapping psychiatric disorders during lifetime in siblings to patients with bipolar disorder
Kessing, Lars Vedel, Ziersen, Simon Christoffer, Andersen, Per Kragh & Vinberg, Maj, 2021, In: Acta Psychiatrica Scandinavica. 143, 4, p. 284-293 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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A note on pseudo-observations and left-truncation
Grand, Mia Klinten, Putter, H., Allignol, A. & Andersen, Per Kragh, 2019, In: Biometrical Journal. 61, 2, p. 290-298 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A prospective study showing long-term infection with human papillomavirus 16 before the development of cervical carcinoma in Situ
Ylitalo, N., Josefsson, A., Melbye, M., Sorensen, P., Frisch, M., Andersen, Per Kragh, Sparen, P., Gustafsson, M., Magnusson, P., Ponten, J., Gyllensten, U. & Adami, H. O., 1 Nov 2000, In: Cancer Research. 60, 21, p. 6027-6032 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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. 176-80Research output: Contribution to journal › Journal article › Research › peer-review
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A shared frailty model for case-cohort samples: parent and offspring relations in an adoption study
Petersen, L., Sørensen, Thorkild I.A. & Andersen, Per Kragh, 2010, In: Statistics in Medicine. 29, 7-8, p. 924-31 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A three-dimensional point process model for the spatial distribution of disease occurrence in relation to an exposure source
Grell, Kathrine, Diggle, P. J., Frederiksen, K., Schüz, J., Cardis, E. & Andersen, Per Kragh, 15 Oct 2015, In: Statistics in Medicine. 34, 23, p. 3170–3180 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Absolute risk regression for competing risks: interpretation, link functions, and prediction
Gerds, Thomas Alexander, Scheike, Thomas & Andersen, Per Kragh, 2012, In: Statistics in Medicine. 31, p. 3921-3930 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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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Acute respiratory symptoms and general illness during the first year of life: a population-based birth cohort study
von Linstow, M., Holst, K. K., Larsen, K., Koch, A., Andersen, Per Kragh & Høgh, Birthe, 2008, In: Pediatric Pulmonology. 43, 6, p. 584-93 9 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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Adjustment for misclassification in studies of familial aggregation of disease using routine register data
Andersen, Elisabeth Anne Wreford & Andersen, Per Kragh, 15 Dec 2002, In: Statistics in Medicine. 21, 23, p. 3595-607 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Adjustment for misclassification in studies of familial aggregation of disease using routine register data
Andersen, E. A. W. & Andersen, Per Kragh, 2002, In: Statistics in Medicine. 21, p. 3595-3607Research output: Contribution to journal › Journal article › Research › peer-review
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Adjustment for misclassification in studies of familial aggregation of disease using routine register data. Research Report 01/3
Andersen, E. A. W. & Andersen, Per Kragh, 2001, Department of Biostatistics, University of Copenhagen. 21 p.Research output: Book/Report › Report › Research
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Advanced Paternal Age and Risk of Fetal Death: A Cohort Study
Andersen, A. N., Hansen, K. D., Andersen, Per Kragh & Smith, G. D., 2004, In: American Journal of Epidemiology. 160, p. 1214-1222Research output: Contribution to journal › Journal article › Research › peer-review
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Advanced paternal age and childhood cancer in offspring: A nationwide register-based cohort study
Urhoj, Stine Kjaer, Raaschou-Nielsen, O., Hansen, A. V., Mortensen, Laust Hvas, Andersen, Per Kragh & Nybo Andersen, Anne-Marie, 1 Jun 2017, In: International Journal of Cancer. 140, 11, p. 2461-2472 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Advanced paternal age and stillbirth rate: a nationwide register-based cohort study of 944,031 pregnancies in Denmark
Urhoj, Stine Kjaer, Andersen, Per Kragh, Mortensen, Laust Hvas, Smith, G. D. & Nybo Andersen, Anne-Marie, Mar 2017, In: European Journal of Epidemiology. 32, 3, p. 227-234 8 p.Research 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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Alcohol drinking pattern during pregnancy and risk of infant mortality
Strandberg-Larsen, Katrine, Grønboek, M., Nybo Andersen, Anne-Marie, Andersen, Per Kragh & Olsen, J., 1 Nov 2009, In: Epidemiology. 20, 6, p. 884-91 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Alcohol-related morbidity and mortality within siblings
Søndergaard, G., Osler, Merete, Nybo Andersen, Anne-Marie, Andersen, Per Kragh, Dalton, S. O. & Mortensen, Laust Hvas, Mar 2015, In: Addiction. 110, 3, p. 451-460 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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An observational nationwide register based cohort study on lamotrigine versus lithium in bipolar disorder
Kessing, Lars Vedel, Hellmund, G. & Andersen, Per Kragh, 2012, In: Journal of Psychopharmacology. 26, p. 644-652Research 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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Analyzing differences between restricted mean survival time curves using pseudo-values
Ambrogi, F., Iacobelli, S. & Andersen, Per Kragh, 2022, In: BMC Medical Research Methodology. 22, 1, 12 p., 71.Research output: Contribution to journal › Journal article › Research › peer-review
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Analyzing sickness absence using statistical models for survival data
Christensen, K. B., Andersen, Per Kragh, Smith-Hansen, L., Nielsen, M. L. & zwp671, zwp671, 2006, 06/3 ed. Department of Biostatistics, University of Copenhagen: Museum Tusculanum. (Research report).Research output: Book/Report › Report › Research
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Analyzing sickness absence with statistical models for survival data
Christensen, Karl Bang, Andersen, Per Kragh, Smith-Hansen, L., Nielsen, M. L. & Kristensen, T. S., 2007, In: Scandinavian Journal of Work, Environment & Health. 33, 3, p. 233-9 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Antidepressant Use and Risk of Out-of-Hospital Cardiac Arrest: A Nationwide Case-Time-Control Study
Weeke, P., Jensen, Aksel Karl Georg, Folke, F., Gislason, G. H., Olesen, J. B., Andersson, C., Fosbøl, E. L., Larsen, J. K., Lippert, F., Nielsen, S. L., Gerds, Thomas Alexander, Andersen, Per Kragh, Kanters, Jørgen K., Poulsen, Henrik Enghusen, Pehrson, S., Køber, L. & Torp-Pedersen, C., 2012, In: Clinical Pharmacology and Therapeutics. 92, 1, p. 72-79 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Antidepressants and dementia
Kessing, Lars Vedel, Søndergaard, Lars, Forman, Julie Lyng, Andersen, Per Kragh, Kessing, Lars Vedel, Søndergaard, Lars, Forman, J. L. & Andersen, P. K., 2009, In: Journal of Affective Disorders. 117, 1, p. 24-9 5 p.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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Are rates of pediatric bipolar disorder increasing? Results from a nationwide register study
Kessing, Lars Vedel, Vradi, E. & Andersen, Per Kragh, 2014, In: International Journal of Bipolar Disorders. 2, p. 1-7 7 p., 10.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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Assessing the influence of reversible disease indicators on survival
Andersen, Per Kragh, Hansen, L. S. & Keiding, N., 1991, In: Statistics in Medicine. 10, p. 1061-7Research output: Contribution to journal › Journal article › Research › peer-review
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Association Between Neurological Disorders and Death by Suicide in Denmark
Erlangsen, A., Stenager, E., Conwell, Y., Andersen, Per Kragh, Hawton, K., Benros, Michael Eriksen, Nordentoft, Merete & Stenager, E., 2020, In: J A M A: The Journal of the American Medical Association. 323, 5, p. 444-454 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Association between consistent purchase of anticonvulsants or lithium and suicide risk: a longitudinal cohort study from Denmark, 1995-2001
Smith, E. G., Søndergaard, Lars, Lopez, A. G., Andersen, Per Kragh, Kessing, Lars Vedel, Smith, E. G., Søndergård, L., Lopez, A. G., Andersen, P. K. & Kessing, Lars Vedel, 2009, In: Journal of Affective Disorders. 117, 3, p. 162-7 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Association of Lithium in Drinking Water With the Incidence of Dementia
Kessing, Lars Vedel, Gerds, Thomas Alexander, Knudsen, N. N., Jørgensen, L. F., Kristiansen, S. M., Voutchkova, D., Ernstsen, V., Schullehner, J., Hansen, B., Andersen, Per Kragh & Ersbøll, A. K., 2017, In: J A M A Psychiatry. 74, 10, p. 1005-1010Research output: Contribution to journal › Journal article › Research › peer-review
ID: 12526
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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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247
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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
Published -
227
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Estimating a population cumulative incidence under calendar time trends
Research output: Contribution to journal › Journal article › Research › peer-review
Published