Table III.

Bayesian analysis^* of ICD efficacy among NYHA II and III patients

Group	HR	Lower PCI	Upper PCI
DEFINITE	0.65	0.42	0.93
MADIT I	0.59	0.31	0.81
MADIT II	0.61	0.44	0.80
SCD-HeFT	0.72	0.61	0.87
Overall	0.65	0.40	0.99

PCI, 95% posterior credible interval.

^*Adjusted for age, sex, race, ejection fraction, QRS duration >120 milliseconds, ischemic heart disease, antiarrhythmic drug use, β-blockers, ACE inhibitors, smoking, and diabetes.