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Figure 4 Cumulative Kaplan-Meier Estimates of Composite End Point

Cumulative Kaplan-Meier estimates of the rates of the composite end point during the 6-month follow-up period. Blue line = patients without calcium-channel blocker; red line = patients with calcium-channel blocker. Crude hazard ratio = 3.9; p = 0.001; 95% confidence interval 1.7 to 8.5; adjusted hazard ratio = 3.5; p = 0.005; 95% confidence interval 1.4 to 8.6.