title: A third dimension to uncloud the funnel plot of operator quality.
authors.forename: William B
authors.initials: WB
authors.lastname: Hillegass
mesh_terms: D015906:Angioplasty, Balloon, Coronary / Q000401:mortality*; D016507:Cardiology Service, Hospital / Q000706:statistics & numerical data*; D002983:Clinical Competence / Q000706:statistics & numerical data*; D016001:Confidence Intervals; D003626:Data Display; D003627:Data Interpretation, Statistical; D006801:Humans; D015233:Models, Statistical; D009518:New York / Q000453:epidemiology; D019984:Quality Indicators, Health Care / Q000706:statistics & numerical data*; D015203:Reproducibility of Results; D018570:Risk Assessment; D012307:Risk Factors; D013647:Task Performance and Analysis; D013997:Time Factors; D016896:Treatment Outcome