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Figure 2 Hazard ratios (95% confidence interval) associated with classic risk factors in a multivariate model and with homocysteine and glutathione peroxidase (GPx)-1 (increase per one standard deviation) on top of classic risk factors (each marker added separately to classic risk factors). In addition, the area under the curve (AUC) of the corresponding multivariate model is provided. HDL = high-density lipoprotein.