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Figure 1 Predictors of increased risk (adjusted hazard ratio [HR] and 95% confidence interval [CI]) for the primary outcome. MI = myocardial infarction; PVD = peripheral vascular disease; TIA = transient ischemic attack. *Covariates forced into Cox model; other covariates selected at p 0.1; p < 0.001; p < 0.05; coronary bypass/percutaneous coronary intervention.