title: APACHE III study design: analytic plan for evaluation of severity and outcome in intensive care unit patients. Statistical methods.
authors.forename: D
authors.initials: D
authors.lastname: Wagner
authors.forename: W
authors.initials: W
authors.lastname: Knaus
authors.forename: M
authors.initials: M
authors.lastname: Bergner
mesh_terms: D015982:Bias; D003422:Critical Care / Q000592:standards*; D003627:Data Interpretation, Statistical; D006801:Humans; D007362:Intensive Care Units / Q000458:organization & administration*; D010043:Outcome and Process Assessment, Health Care / Q000379:methods*; D010343:Patient Admission; D011446:Prospective Studies; D012494:Sampling Studies; D015983:Selection Bias