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Figure 4 Risk ratios regarding 1-year mortality following revascularization of patients stratified by biomarker status in a parametric survival model, including a propensity score of receiving revascularization and other confounding variables of increased mortality. The p values indicate the significance of difference between the relative risks for positive versus negative markers. A relative risk ratio and 95% confidence intervals <1.0 indicate a lower mortality with revascularization. Patients from Eastern Europe were excluded. CRP = C-reactive protein; other abbreviations as in Figure 2.