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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.

Characteristics	Values
Characteristics	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)