Prabhat Kumar et al. JACEP 2016;j.jacep.2016.06.007 All-Cause Mortality by ICD Type Forest plot showing summary estimates of hazard ratios for all-cause mortality rates of single-coil compared with dual-coil implantable cardioverter-defibrillator (ICDs). The plot shows significantly lower estimates of overall all-cause mortality with single-coil ICD. CI = confidence interval; HR = hazard ratio; W = weight. Prabhat Kumar et al. JACEP 2016;j.jacep.2016.06.007 American College of Cardiology Foundation