Table 1. Baseline Characteristics and CCTA Findings.
| Variables | Derivative Cohort | External Validation Cohort | ||
|---|---|---|---|---|
| Death (n = 92) | Survivor (n = 868) | Death (n = 15) | Survivor (n = 221) | |
| Age, years (mean ± SD) | 75.5 ± 4.3 | 74.3 ± 4.0 | 75.9 ± 5.6 | 73.9 ± 3.6 |
| Sex, male (%) | 68 (73.9) | 354 (40.8) | 11 (73.3) | 80 (36.2) |
| Hypertension (%) | 71 (77.2) | 590 (68.0) | 14 (93.3) | 129 (58.4) |
| Diabetes (%) | 45 (48.9) | 212 (24.4) | 13 (86.7) | 35 (15.9) |
| Hyperlipidemia (%) | 15 (16.3) | 169 (19.5) | 1 (6.7) | 34 (15.4) |
| Significant CAD at CCTA (%) | 70 (76.1) | 296 (34.1) | 11 (73.3) | 75 (33.9) |
CAD = coronary artery disease, CCTA = coronary computed tomographic angiography, SD = standard deviation