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Figure 3 Kaplan-Meier analysis of event-free survival in patients with aortic sclerosis with respect to C-reactive protein (CRP) levels. Event-free survival = freedom from cardiac death and nonfatal myocardial infarction. Tertiles: <0.32; 0.32 to 1.18; >1.18 (mg/dl); levels available on 190 of 203 patients with aortic sclerosis.