Table 3:
Imaging characteristics, VIRAGE study
| Characteristics | Values |
|
|---|---|---|
| Median (Q1–Q3) | Range | |
| DWI-1 volume (cm3) | 13.4 (4.1–34.9) | 0–164.7 |
| PWI-1 volume (cm3) | 34.9 (6.9–87.8) | 0–243.8 |
| FLAIR-2 volume (cm3) | 25 (8–60) | 0–308 |
| FLAIR-3 volume (cm3) | 20 (6–45) | 0–211 |
| Occlusion | ||
| No persistent (No.) (%) | 76 (83.5) | |
| Persistent (No.) (%)a | 15 (16.5) | |
| ICA | 9 (9.9) | |
| M1 | 4 (4.4) | |
| M2 | 2 (2.2) | |
| Reperfusion | ||
| No significant perfusion abnormality at TP1, n (%) | 21 (23.1) | |
| Reperfusion ≥90% | 35 (38.5) | |
| Reperfusion <90% | 33 (36.3) | |
| Technically inadequate | 2 (2.2) | |
a
Persistent occlusion was defined as an occluded artery on MRA-1 remaining occluded on MRA-2 in an acute stroke territory.