Table 3. Distribution of moderate to severe CAC by variables (n = 2,189).
| Variables | Number | Moderate CAC (CACS ≥ 100) | P valuea | Severe CAC (CACS ≥ 400) | P valuea | |
|---|---|---|---|---|---|---|
| Age, yr | < 0.001 | < 0.001 | ||||
| ≥ 30, < 40 | 78 | 0 (0.0) | 0 (0.0) | |||
| ≥ 40, < 50 | 640 | 17 (2.7) | 4 (0.6) | |||
| ≥ 50, < 60 | 961 | 66 (6.9) | 14 (1.5) | |||
| ≥ 60 | 510 | 89 (17.5) | 24 (4.7) | |||
| Sex | < 0.001 | 0.047 | ||||
| Men | 1,458 | 141 (9.7) | 34 (2.3) | |||
| Women | 731 | 31 (4.2) | 8 (1.1) | |||
| BMI, kg/m2 | 0.047 | 0.134 | ||||
| < 25 | 1,289 | 89 (6.9) | 20 (1.6) | |||
| ≥ 25 | 900 | 83 (9.2) | 22 (2.4) | |||
| Regular exercise | 0.029 | 0.226 | ||||
| No | 997 | 92 (9.2) | 23 (2.3) | |||
| Yes | 1,192 | 80 (6.7) | 19 (1.6) | |||
| Smoking | 0.003 | 0.025 | ||||
| Non-smoker | 1,052 | 64 (6.1) | 13 (1.2) | |||
| Ever-smoker | 1,137 | 108 (9.5) | 29 (2.6) | |||
| Alcohol drinking | 0.535 | 0.605 | ||||
| No | 760 | 56 (7.4) | 13 (1.7) | |||
| Yes | 1,429 | 116 (8.1) | 29 (2.0) | |||
| Hypertension | < 0.001 | < 0.001 | ||||
| No | 1,550 | 76 (4.9) | 15 (1.0) | |||
| Yes | 639 | 96 (15.0) | 27 (4.2) | |||
| Diabetes mellitus | < 0.001 | < 0.001 | ||||
| No | 1,814 | 110 (6.1) | 21 (1.2) | |||
| Yes | 375 | 62 (16.5) | 21 (5.6) | |||
| Dyslipidemia | 0.017 | 0.104 | ||||
| No | 1,688 | 120 (7.1) | 28 (1.7) | |||
| Yes | 501 | 52 (10.4) | 14 (2.8) | |||
Values are represented as number (%).
BMI = body mass index, CAC = coronary artery calcification, CACS = coronary artery calcium score.
aP value calculated by Pearson’s χ2 test.