TABLE 3.
Quantitative Plaque Assessment on CCTA in all Patients and in Patients Who Had a Subsequent Myocardial Infarction
| Female | Male | p Value | |
|---|---|---|---|
| All patients | |||
| Total plaque burden, % | 22.7 (0.0–42.7) | 44.3 (0.0–52.5) | <0.001 |
| Total calcified plaque burden | 0.0 (0.0–1.1) | 1.2 (0.0–4.5) | <0.001 |
| Total noncalcified plaque burden | 20.6 (0.0–40.7) | 39.8 (0.0–47.8) | <0.001 |
| Total low-attenuation noncalcified plaque burden | 1.4 (0.0–6.1) | 5.0 (0.0–7.5) | <0.001 |
| Area stenosis, % | 10.1 (0.0–62.3) | 66.5 (0.0–87.6) | <0.001 |
| Diameter stenosis, % | 37.5 (28.4–54.3) | 51.0 (36.4–78.7) | <0.001 |
| Remodeling index | 1.0 (1.0–1.3) | 1.3 (1.0–1.6) | <0.001 |
| Plaque length, mm | 11.8 (0.0–60.1) | 66.8 (0.0–138.0) | <0.001 |
| Lumen volume, mm3 | 499 (264–909) | 890 (471–1,449) | <0.001 |
| Contrast density difference, % | 0.0 (0.0–29.1) | 23.2 (0.0–36.4) | <0.001 |
| Patients who had myocardial infarction | (n = 11) | (n = 30) | |
| Total plaque burden, % | 48.1 (34.3–53.7) | 50.5 (43.8–55.4) | 0.289 |
| Total calcified plaque burden | 1.6 (0.0–4.0) | 4.6 (2.1–9.2) | 0.027 |
| Total noncalcified plaque burden | 42.9 (33.0–48.7) | 42.4 (37.4–48.9) | 0.814 |
| Total low-attenuation noncalcified plaque burden | 7.9 (5.2–8.8) | 7.4 (4.8–9.3) | 0.930 |
| Area stenosis, % | 79.2 (58.5–84.6) | 80.4 (66.2–100.0) | 0.366 |
| Diameter stenosis, % | 52.8 (40.9–62.5) | 62.0 (41.3–100.0) | 0.394 |
| Remodeling index | 1.6 (1.3–1.8) | 1.5 (1.2–1.7) | 0.713 |
| Plaque length, mm | 124.6 (59.5–150.7) | 116.9 (70.6–161.1) | 0.702 |
| Lumen volume, mm3 | 839 (560–1,058) | 1,048 (578–1472) | 0.320 |
| Contrast density difference | 28.0 (24.8–39.8) | 33.8 (21.4–40.4) | 0.837 |
Values are median (interquartile interval). Bold indicates p < 0.05.