Table 1.

Number of patients by treatment and subgroup covariates

Subgroup	Enalapril	Placebo	Total
Gender
Female	259	244	503
Male	1025	1040	2065
Age
≤65	866	862	1728
>65	418	422	840
Ejection fraction
6–22	468	474	942
23–29	407	417	824
30–35	409	393	802