Table 4

Logistic Regression Analysis of Entry Clinical and Angiographic Features Associated With Angina at 5 Years (n = 401 Patients Who Underwent Their Randomly Assigned Treatment)

Entry FeatureOdds Ratio95% Confidence Intervalp Value
Angiographic (continuous variable)
 Myocardial jeopardy at 5 yrs (per 10% increase)1.221.09–1.360.0003
Clinical (discrete variable)
 Severe angina at entry (CHC 3, 4, or unstable angina)2.201.17–4.140.01
Current or former smoker at baseline1.911.09–3.350.02

Other variables considered include age, gender, initial mode of revascularization (PCI or CABG), totally occluded lesion, diffuse lesion, number of significant lesions, history of diabetes, MI, or CHF, regular exercise at baseline, percentage of new disease at five years, percentage of disease progression at five years. In a separate model that included initial mode of revascularization (PCI or CABG), the interaction effect between mode of revascularization and percentage jeopardized myocardium at five years was not statistically significant (p = 0.51).

Abbreviations as in Table 1.