Baseline and follow-up measurements of plaque volume and plaque components
| BL (± SD) | FU (± SD) | Mean Paired Difference (95% CI) | P valuea | |
|---|---|---|---|---|
| Vessel volume (mm3) | 2575.4 ± 993.6 | 2657.6 ± 1022.5 | 82.2 (55.9–108.5) | <0.001 |
| Lumen volume (mm3) | 1475.2 ± 620.2 | 1506.5 ± 621.9 | 31.3 (9.8–52.8) | 0.005 |
| Plaque volume (mm3) | 1100.2 ± 464.0 | 1151.1 ± 466.7 | 50.9 (28.1–73.7) | <0.001 |
| Fibrous volume (mm3) | 712.2 ± 260.7 | 726.4 ± 262.9 | 14.2 (−2.4–30.8) | 0.094 |
| Lipid volume (mm3) | 318.3 ± 154.1 | 309.0 ± 134.1 | −9.3 (−21.1–2.6) | 0.124 |
| Calcium volume (mm3) | 69.7 ± 124.6 | 115.7 ± 152.9 | 46.0 (37.6–54.4) | <0.001 |
| Fibrous proportion (%) | 66.4 ± 7.8 | 64.9 ± 9.4 | −1.5 (−2.3–−0.7) | <0.001 |
| Lipid proportion (%) | 28.8 ± 5.4 | 27.0 ± 5.9 | −1.8 (−2.5–−1.1) | <0.001 |
| Calcium proportion (%) | 4.8 ± 6.9 | 8.1 ± 8.6 | 3.3 (2.8–3.9) | <0.001 |
↵a As evaluated with a paired t test