Table 2 -.
Imaging characteristics according to CAC score group
| Imaging Characteristics 1 | CAC 0 (n = 3282) | CAC 1-399 (n = 2618) | CAC 400-999 (n = 397) | CAC ≥ 1000 (n = 246) |
|---|---|---|---|---|
| # Vessels with CAC, mean (SD) | 0 (0) | 1.9 (0.9) | 3.2 (0.6) | 3.4 (0.5) |
| 0, % | 100.0% | 0.0% | 0.0% | 0.0% |
| 1, % | 0.0% | 41.0% | 0.8% | 0.0% |
| 2, % | 0.0% | 30.0% | 8.3% | 2.0% |
| 3, % | 0.0% | 23.6% | 57.9% | 53.3% |
| 4, % | 0.0% | 5.4% | 33.0% | 44.7% |
| Imaging Characteristics 2 | CAC 0 (n = 3416) | CAC 1-399 (n = 2721) | CAC 400-999 (n = 420) | CAC ≥ 1000 (n = 255) |
| TAC, % | 11.9% | 38.4% | 61.4% | 77.3% |
| TAC 1-399, % | 9.2% | 23.0% | 25.5% | 28.6% |
| TAC 400-999, % | 1.8% | 7.9% | 13.6% | 18.8% |
| TAC ≥1000, % | 0.9% | 7.5% | 22.4% | 29.8% |
| Imaging Characteristics 3 | CAC 0 (n = 3416) | CAC 1-399 (n = 2721) | CAC 400-999 (n = 419) | CAC ≥ 1000 (n = 256) |
| AVC, % | 4.9% | 17.9% | 32.7% | 47.3% |
| AVC 1-399, % | 4.5% | 16.4% | 29.4% | 37.5% |
| AVC 400-999, % | 0.3% | 0.8% | 2.6% | 6.3% |
| AVC ≥1000, % | 0.1% | 0.8% | 0.7% | 3.5% |
| Imaging Characteristics 4 | CAC 0 (n = 3416) | CAC 1-399 (n = 2721) | CAC 400-999 (n = 420) | CAC ≥ 1000 (n = 257) |
| MVC, % | 4.3% | 12.0% | 18.1% | 37.0% |
| MVC 1-399, % | 3.5% | 9.6% | 12.9% | 26.5% |
| MVC 400-999, % | 0.4% | 1.1% | 1.7% | 5.1% |
| MVC ≥1000, % | 0.4% | 1.3% | 3.6% | 5.5% |
| Imaging Characteristics 5 | CAC 0 (n = 3415) | CAC 1-399 (n = 2721) | CAC 400-999 (n = 420) | CAC ≥ 1000 (n = 256) |
| ARC, % | 16.4% | 45.8% | 67.9% | 80.1% |
| ARC 1-399, % | 15.9% | 40.6% | 52.1% | 55.5% |
| ARC 400-999, % | 0.4% | 3.9% | 13.1% | 16.4% |
| ARC ≥1000, % | 0.1% | 1.4% | 2.6% | 8.2% |
| Imaging Characteristics 6 | CAC 0 (n = 3282) | CAC 1-399 (n = 2618) | CAC 400-999 (n = 397) | CAC ≥ 1000 (n = 246) |
| Estimated Total Area, mm2, mean (SD) | 0 (0) | 32.7 (34.1) | 198.1 (56.3) | 586.5 (275.2) |
| Average CAC Density, mean (SD) | 0 | 2.6 (0.7) | 3.1 (0.4) | 3.2 (0.3) |