Flow alterations on rVE-ASL stratified by stenosis ratio
| Stenosis Ratio | With Flow Alterations, n (%) | Without Flow Alterations, n (%) | P Value | |
|---|---|---|---|---|
| Flow territory of MCA on the side of ICAD | < 90% (n = 24) | 2 (8.3) | 22 (91.7) | <.001 |
| ≥ 90% (n = 16) | 15 (93.8) | 1 (6.2) | ||
| Flow territory of ACA on the side of ICAD | < 90% (n = 24) | 0 (0.0) | 24 (100.0) | <.001 |
| ≥ 90% (n = 16) | 8 (50.0) | 8 (50.0) |