Population
156 patients with unstable angina and significant coronary lesions on angiography
Design
Cohort
Follow-up
at least 24 months
Authors
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Supports risk stratification by unstable angina presentation; leaves open prospective validation of subgroup-specific management.
Different clinical presentations of unstable angina carry significantly different risks of mortality and myocardial infarction, allowing for risk stratification.
Bertolasi et al. (1979) studied this question.