Table 2 Basic characteristics for three cohorts
|  | Overall (N = 115) | Cohort 1 (N = 49) | Cohort 2 (N = 34) | Cohort 3 (N = 32) | p value |
|---|---|---|---|---|---|
Age (years) | 62 ± 11 | 64 ± 11 | 57 ± 9 | 68 ± 9 | < 0.001 |
Male (%) | 74 (64%) | 30 (61%) | 22 (65%) | 22 (69%) | 0.79 |
Body mass index (kg/m2) | 24.7 ± 3.8 | 24.9 ± 3.6 | 25.2 ± 4.0 | 23.7 ± 3.8 | 0.26 |
Hypertension | 43 (37%) | 18 (37%) | 11 (34%) | 14 (44%) | 0.67 |
Diabetes mellitus | 17 (15%) | 5 (10%) | 10 (29%) | 2 (6%) | 0.02 |
Smoking | 16 (14%) | 8 (16%) | 1 (3%) | 7 (22%) | 0.07 |
Hyperlipidemia | 28 (24%) | 11 (22%) | 11 (32%) | 6 (19%) | 0.40 |
Chronic obstructive pulmonary disease | 20 (17%) | 9 (18%) | 2 (6%) | 9 (28%) | 0.04 |
Obstructive coronary artery disease | 32 (39%) | 20 (41%) | 12 (35%) | Â | 0.61 |
Total coronary calcium score | 20 (0, 82) | 38 (0, 118) | 14.1 (0, 46) | Â | 0.08 |