Figure 2

Summary of sequential entrance of variables into multivariable model and incremental improvements to prediction accuracy of subclinical atherosclerosis, reflected by the area under curve of ROC curve in the grouped analysis (a, b), in males (c, d) and females (e, f). TNFa, Tumor necrosis factor alpha; iAUC, incremental area under curve; PAI-1, Plasminogen activator inhibitor-1.