Difference in signal intensity at the origin segment of symptomatic CCAO at different stages
| Hyperintensity (n = 0) | Isointensity (n = 7) | Hypointensity (n = 0) | Heterogeneous Intensity (n = 27) | P Value | |
|---|---|---|---|---|---|
| <7 days (No.) (%) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 5 (14.7) | .69 |
| 7–30 days (No.) (%) | 0 (0.0) | 4 (57.1) | 0 (0.0) | 16 (47.1) | |
| 30–90 days (No.) (%) | 0 (0.0) | 2 (28.6) | 0 (0.0) | 10 (29.4) | |
| ≥90 days (No.) (%) | 0 (0.0) | 1 (14.3) | 0 (0.0) | 3 (8.8) |