The DSC index as a composite predictor of outcome after CRT. Graph shows Kaplan-Meier estimates of the time to cardiovascular death. Patients were stratified according to pre-implant Dyssynchrony, left ventricular free wall Scar and Creatinine (DSC) index. The event rate, number of patients in the DSC risk stratum and the% event rate are shown in parentheses. The hazard ratio (HR) and 95% confidence intervals are also shown. Reproduced with permission from Leyva F, et al.