title: Discussions.
authors.affiliation: Department of Biostatistics and Epidemiology, University of Pennsylvania School of Medicine, Blockley Hall, 6th Floor, 423 Guardian Drive, Philadelphia, Pennsylvania 19104-6021, U.S.A.
authors.forename: Tom Ten
authors.initials: TT
authors.lastname: Have
mesh_terms: D015982:Bias; D001699:Biometry / Q000379:methods*; D016638:Critical Illness / Q000401:mortality*; D003627:Data Interpretation, Statistical; D006801:Humans; D009026:Mortality; D017063:Outcome Assessment, Health Care / Q000379:methods*; D010352:Patient Dropouts / Q000706:statistics & numerical data*; D016016:Proportional Hazards Models; D018570:Risk Assessment / Q000379:methods; D012307:Risk Factors; D018401:Sample Size; D011795:Surveys and Questionnaires; D016019:Survival Analysis; D015996:Survival Rate