A total of 2,987 patients were enrolled in the study, including 53.8% men (n = 1,607), 66.9% with CHD (n = 1,997), 22.3% with diabetes (n = 665), 20% with IFG-ADA (n = 598), and 8.7% with IFG-WHO (n = 260). This evidence concerns the gene ADA and diabetes mellitus.