title: What accounts for the difference between observed and predicted?
authors.forename: Douglas P
authors.initials: DP
authors.lastname: Wagner
mesh_terms: D002138:Calibration; D003422:Critical Care; D003627:Data Interpretation, Statistical; D006801:Humans; D007362:Intensive Care Units; D015233:Models, Statistical; D012372:ROC Curve; D015203:Reproducibility of Results; D020379:Risk Adjustment / Q000592:standards*; D012720:Severity of Illness Index