title: You cannot improve what you do not measure.
authors: Duke University School of Medicine, Durham, North Carolina, USA. chao0002@mc.duke.edu
authors: Nelson
authors: N
authors: Chao
mesh_terms: D000208:Acute Disease; D002908:Chronic Disease; D006086:Graft vs Host Disease / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy*; D006801:Humans; D012107:Research Design / Q000592:standards*; D012720:Severity of Illness Index; D016896:Treatment Outcome