Table 3.
Functional characteristics according to the CAV grade.
| CAV 0 (n = 23) |
CAV 1 (n = 12) |
CAV 2 (n = 4) |
CAV 3 (n = 8) |
p value | |
|---|---|---|---|---|---|
| vFFR, median (IQR) | 0.84 (0.80, 0.88) | 0.76 (0.70, 0.89) | 0.72 (0.53, 0.80) | 0.54 (0.47, 0.78) | 0.009 |
| Lesion length (mm), median (IQR) | 26.0 (14.7, 45.5) | 22.2 (17.8, 30.0) | 31.2 (29.0, 70.7) | 36.2 (18.8, 48.4) | 0.51 |
| MLD (mm), median (IQR) | 1.53 (1.26, 1.72) | 1.65 (0.89, 1.73) | 0.92 (0.88, 1.62) | 0.80 (0.59, 1.38) | 0.08 |
| Diameter stenosis (%), median (IQR) | 31.0 (25.0, 42.0) | 36.0 (31.0, 43.0) | 57.0 (56.5, 60.5) | 64.0 (59.5, 72.5) | <0.001 |
| Reference diameter (mm), median (IQR) | 2.29 (2.03, 2.70) | 2.51 (1.54, 2.79) | 2.33 (2.23, 3.79) | 2.88 (1.67, 3.51) | 0.85 |
CAV, cardiac allograft vasculopathy; vFFR, vessel fractional flow reserve derived from angiography; IQR, interquartile range; and MLD, minimal lumen diameter.