Our in-depth review focused on information that would be readily available to all providers caring for patients with suspected unstable angina. Information in this report applies to adult men and women. We sought to determine those variables that provided independent risk prediction. Other major cardiac complication. Candidate titles and abstracts were reviewed, and appropriate studies were selected for data extraction by an internist and a cardiologist with training in health services research.
Medical history features.
Initial physical findings. Finally, we reviewed the bibliographies of identified trials to locate other relevant studies. We restricted our review to studies that evaluated patient cohorts with suspected ischemia. We excluded studies that only enrolled patients with myocardial infarction. We also excluded case-control studies and studies that did not report the outcomes of MI or death.