Table 1: Baseline characteristics of the cohort as a whole and by race.

Overall ( )Black ( )White ( )P value

Age (mean)6363630.94
Male gender, n (%)171 (49)109 (42)62 (70)<0.01
Hypertension, n (%)272 (78)213 (82)59 (66)<0.01
Diabetes mellitus, n (%)133 (38)108 (41)25 (28)0.03
Coronary artery disease, n (%)87 (25)60 (23)27 (30)0.17
Hyperlipidemia, n (%)131 (37)94 (36)37 (42)0.35
Tobacco use (current), n (%)64 (17)43 (16)18 (20)0.42