Table 2. Baseline Coronary Computed Tomographic Angiography Measures Based on 10-Year Atherosclerotic Cardiovascular Disease Risk Score.
| Measure | No. (%) | ||||
|---|---|---|---|---|---|
| All | Low risk | Intermediate risk | High risk | P value | |
| Total No. | 1005 | 463 | 373 | 169 | |
| Presence of any plaque | 760 (75.6) | 300 (64.8) | 307 (82.3) | 153 (90.5) | <.001 |
| Plaque volume, median (IQR), mm3 | |||||
| Total plaque | 43.1 (3.9-127.0) | 23 (0-85.9) | 45.8 (11.1-128.0) | 105.1 (47.6-228.9) | <.001 |
| Calcified plaque | 5.3 (0-32.6) | 1.2 (0-16.4) | 7.8 (0.1-37.2) | 31.3 (3.8-75.3) | <.001 |
| Noncalcified plaque | 28.8 (1.0-85.9) | 14.8 (0-61.4) | 30.5 (5.9-89.4) | 66.3 (23.8-149.2) | <.001 |
| Fibrous plaque | 20.3 (0.7-56.5) | 10.3 (0-41.6) | 22.3 (4.6-55.8) | 46.3 (20.7-96.3) | <.001 |
| Fibrofatty plaque | 3.5 (0-22.1) | 1.0 (0-17.3) | 4.6 (0.1-19.6) | 11.7 (1.8-34.6) | <.001 |
| Low-attenuation plaque | 0 (0-1.5) | 0 (0-0.8) | 0 (0-1.6) | 0.3 (0-2.8) | <.001 |
| Adverse plaque characteristics | |||||
| Any APC | 688 (68.5) | 260 (56.2) | 280 (75.1) | 148 (87.6) | <.001 |
| Positive remodeling | 662 (65.9) | 250 (54.0) | 268 (71.8) | 144 (85.2) | <.001 |
| Low-attenuation plaque | 213 (21.2) | 88 (19.0) | 76 (20.4) | 49 (29.0) | .02 |
| Spotty calcification | 194 (19.3) | 68 (14.7) | 78 (20.9) | 48 (28.4) | <.001 |
Abbreviations: APC, adverse plaque characteristic; IQR, interquartile range.