Cox proportional hazard analysis of risk factors at baseline for sudden death mortality.

Abbreviations: ACEI, angiotensin-converting enzyme inhibitor; ARB, angiotensin II receptor blocker; BMI, body mass index; CrCl, creatinine clearance; EC, emergency care; Hosp, hospitalization; NYHA, New York Heart Association functional class; LVEF, left ventricular ejection fraction; LVEDD, left ventricular end diastolic diameter; NA: not applicable; NS: not significant;aNYHA class III/VI vs NYHA class I/II;bChagas vs non Chagas;cbeta-blocker vs no beta-blocker;dACEI/ARB vs no ACEI/ARB;espironolactone vs no spironolactone;famiodarone vs no amiodarone;gdisease management program vs control;hModel 1 not incorporated NYHA functional class and Model 2 included NYHA functional class (information available in 296 patients).