title: Systematic reviews of evaluations of prognostic variables.
authors.affiliation: Imperial Cancer Research Fund Medical Statistics Group, Centre for Statistics in Medicine, Institute of Health Sciences, Oxford OX3 7LF.
authors.forename: D G
authors.initials: DG
authors.lastname: Altman
mesh_terms: D003627:Data Interpretation, Statistical; D003657:Decision Making; D019317:Evidence-Based Medicine / Q000379:methods*; D006801:Humans; D016247:Information Storage and Retrieval; D016239:MEDLINE; D015201:Meta-Analysis as Topic; D011379:Prognosis; D016032:Randomized Controlled Trials as Topic; D016896:Treatment Outcome