title: Dependency issues in survival analyses of 55,782 primary hip replacements from 47,355 patients.
authors.affiliation: Section for Epidemiology and Medical Statistics, Armauer Hansens Huse, University of Bergen, Haukeland Hospital, N-5018 Bergen, Norway. stein.lie@smis.uib.no
authors.forename: Stein Atle
authors.initials: SA
authors.lastname: Lie
authors.forename: Lars B
authors.initials: LB
authors.lastname: Engesaeter
authors.forename: Leif I
authors.initials: LI
authors.lastname: Havelin
authors.forename: Håkon K
authors.initials: HK
authors.lastname: Gjessing
authors.forename: Stein E
authors.initials: SE
authors.lastname: Vollset
mesh_terms: D000368:Aged; D019644:Arthroplasty, Replacement, Hip / Q000592:standards* / Q000706:statistics & numerical data; D005260:Female; D006622:Hip Prosthesis / Q000592:standards* / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D009664:Norway; D016016:Proportional Hazards Models