Table 2.
Comparison of quantitative measurements between the non-recurrent (n = 22) and recurrent group (n = 7).
| Plaque features | Baseline scan, mean (SD) |
Follow-up scan, mean (SD) |
Changes (%), mean (SD) |
|||||
|---|---|---|---|---|---|---|---|---|
| Non-recurrent group | Recurrent group | P valuea | Non-recurrent group | Recurrent group | Non-recurrent group | Recurrent group | P valuea | |
| Plaque volume, mm3 | 134.27 (80.10) | 102.40 (69.49) | 0.799 | 129.11 (58.9) | 101.17 (70.51) | –1.57 (25.01) | –0.45 (12.71) | 0.911 |
| pNWI | 0.87 (0.06) | 0.90 (0.04) | 0.616 | 0.85 (0.08) | 0.94 (0.02) | –2.69 (8.52) | 4.01 (6.19) | 0.055 |
| Maximum wall thickness, mm | 1.75 (0.66) | 1.58 (0.64) | 0.616 | 1.42 (0.51) | 1.69 (0.63) | –13.32 (29.93) | 8.93 (16.14) | 0.026 |
| Degree of stenosis, % | 81.99 (10.34) | 82.94 (9.50) | 0.884 | 77.67 (14.47) | 84.58 (11.26) | –4.98 (15.28) | 1.94 (8.08) | 0.318 |
| Plaque-wall CR | 2.07 (0.33) | 1.72 (0.25) | 0.093 | 1.90 (0.49) | 2.00 (0.22) | –8.21 (16.51) | 17.19 (11.42) | 0.005 |
| Plaque ER | 2.03 (0.40) | 2.06 (0.35) | 0.884 | 1.78 (0.46) | 2.24 (0.35) | –11.03 (22.26) | 9.75 (12.61) | 0.019 |
SD: standard deviation; pNWI: peak normalized wall index; CR: contrast ratio; ER: enhancement ratio.
a
P value adjusted using the Benjamini and Hochberg correction.