during a 1 year follow-up period , 52 ( 87 % ) of these 60 patients had an unfavorable outcome ( american heart association class iii or iv angina , recurrent unstable angina , coronary artery bypass surgery , acute myocardial infarction or cardiac death ) compared with 19 ( 29 % ) of the 65 patients with a negative test ( p less than 0.001 ) .
C0002962
angina
C0002965
unstable angina