Receiver operating characteristic curves for ICD non-benefit. Receiver operating characteristic curves for mortality without prior ventricular arrhythmia requiring ICD intervention stratified for the FADES, MADIT, and SHFM-D risk models. FADES, NYHA Functional class, Age, Diabetes, Ejection fraction, and history of Smoking; MADIT, Multicentre Autonomic Defibrillator Implantation Trial; SHFM-D, Seattle Heart Failure Model for Defibrillator recipients.