TABLE 1.
Characteristics of Young Adults Undergoing Coronary Artery Calcium Testing
| All (N = 22,346) | Women (n = 5,576) | Men (n = 16,770) | P Value | |
|---|---|---|---|---|
| Age, y | 43.5 ± 4.5 | 44.0 ± 4.4 | 43.3 ± 4.6 | <0.001 |
| Race | <0.001 | |||
| White | 87.7 | 85.4 | 88.5 | |
| Black | 2.3 | 3.1 | 2.0 | |
| Hispanic | 3.8 | 4.8 | 3.4 | |
| Asian | 4.3 | 4.9 | 4.1 | |
| Other | 1.9 | 1.8 | 2.0 | |
| CAC prevalence | <0.001 | |||
| CAC 0 | 65.6 | 82.7 | 59.9 | |
| CAC 1–100 | 27.2 | 14.9 | 31.3 | |
| CAC >100 | 7.2 | 2.4 | 8.8 | |
| CAC score,a AU | 95 ± 261 | 84 ± 358 | 97 ± 244 | <0.001 |
| CAC score,a AU | 20 (4, 78) | 14 (3, 55) | 21 (5, 83) | <0.001 |
| 10-year ASCVD risk | <0.001 | |||
| <5% | 92.7 | 97.8 | 91.0 | |
| 5%–7.5% | 4.7 | 1.6 | 5.7 | |
| >7.5% | 2.6 | 0.6 | 3.3 | |
| Hypertension | 20.1 | 18.7 | 20.6 | 0.003 |
| Dyslipidemia | 49.6 | 42.1 | 52.1 | <0.001 |
| Diabetes | 4.0 | 4.2 | 3.9 | 0.21 |
| Current smoking | 11.0 | 11.6 | 10.9 | 0.13 |
| Family history of CHD | 49.3 | 56.0 | 47.0 | <0.001 |
Values are mean ± SD, %, or median (Q1, Q3).
a
Among persons with CAC >0.
ASCVD = atherosclerotic cardiovascular disease; CAC = coronary artery calcium; CHD = coronary heart disease.