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Figure 1 Risk categories according to risk score: very low-risk (0 points, primary end point = 0%), low-risk (1 point, primary end point = 3.1%), intermediate-risk (2 points, primary end point = 5.4%), high-risk (3 points, primary end point = 17.6%), and very high-risk ( 4 points, primary end point = 29.6%). The statistical significance for the trend was p = 0.00001; the differences between the very low-, low-, and intermediate-risk categories being significant compared to the very high- (p = 0.0001, p = 0.0001, and p = 0.0001, respectively) and high-risk (p = 0.002, p = 0.0001, p = 0.0001, respectively) categories. IDDM = insulin-dependent diabetes mellitus; PTCA = percutaneous transluminal coronary angioplasty.
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