Table 2.
Coronary Arteries Distribution and Prevalence of Vulnerable Features in Lesions With High or Low Pericoronary FAI Values
| FAI≥−70.1 HU (n=51) | FAI<70.1 HU (n=144) | P value | |
|---|---|---|---|
| Coronary arteries | 0.423 | ||
| LAD, n (%) | 23 (45.1) | 72 (50.0) | |
| LCX, n (%) | 14 (27.5) | 27 (18.8) | |
| RCA, n (%) | 14 (27.5) | 45 (31.3) | |
| Vulnerable plaque prevalence | 28 (54.9) | 55 (38.2) | 0.038 |
| Spotty calcification, n (%) | 22 (43.1) | 36 (25.0) | 0.015 |
| Low‐attenuation plaque, n (%) | 9 (17.6) | 9 (4.2) | 0.016 |
| Positive remodeling, n (%) | 8 (15.7) | 16 (11.1) | 0.393 |
| Napkin‐ring sign, n (%) | 2 (3.9) | 5 (3.5) | 0.882 |
CCTA indicates coronary computed tomographic angiography; FAI, fat attenuation index; HU, Hounsfield unit; LAD, Left Anterior Descending; LCX, Left Circumflex; and RCA, Right Coronary.