Table 1—

Demographic and clinical characteristics of diabetic patients in derivation and validation data sets

Derivation data setValidation data set
n28,83828,884
Mean years of age (range)60.8 (19–101)60.5 (19–99)
Percent female46.747.6
Race [n (%)]
 African-American3,513 (12.2)3,611 (12.5)
 Asian/Pacific Islander3,080 (10.7)3,054 (10.6)
 Hispanic3,537 (12.3)3,600 (12.5)
 White15,292 (53.0)15,101 (52.3)
 Other720 (2.5)702 (2.4)
 Unknown2,696 (9.4)2,816 (9.8)
n (%) With 1996 events
 Macro- and microvascular1,997 (6.9)1,980 (6.9)
 Infectious810 (2.8)770 (2.7)
 Metabolic187 (0.6)129 (0.4)