The mean patient age was 61 + / - 10 years ; 97 % were male ; 38 % had ST segment depression at study entry ; 30 % had an anterior NQMI ; 54 % were hypertensive ; 26 % had diabetes requiring insulin ; 43 % were current smokers ; 43 % had a previous acute myocardial infarction ; and 45 % had antecedent angina within 3 weeks of the index NQMI .
