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Table 1: Baseline clinical and imaging characteristics, treatment, and predictors of 3-month mRS
All Patients (n = 123) mRS 0–2 (n = 68) mRS 3–6 (n = 55) P Value
Age (yr) 69.8 ± 15.9 68.9 ± 16.9 70.8 ± 14.7 .727^{^a}
Baseline NIHSS score 11 (6–16) 7 (5–11.5) 16 (14–20.75) <.0001^{^a}
Female sex 55 (44.7%) 31 (45.6%) 24 (43.6%) .973^{^b}
Right hemisphere 74 (47.2%) 34 (50.0%) 24 (43.6%) .602^{^b}
Time to MRI 3:57 ± 1:26 3:45 ± 1:29 4:12 ± 1:20 .085^{^c}
DWI volume (mL) 37.4 ± 47.7 16.3 ± 20.1 63.4 ± 58.2 <.0001^{^a}
MTT volume (mL) 129.5 ± 101.3 80.6 ± 78.3 189.9 ± 94.1 <.0001^{^a}
Tmax volume (mL) 148.1 ± 114.9 89.5 ± 86.5 217.3 ± 106.0 <.0001^{^a}
Absolute mismatch (mL) 92.7 ± 81.4 64.9 ± 69.1 127.1 ± 82.9 <.0001^{^a}
Relative mismatch 8.7 ± 21.6 10.9 ± 27.8 6.0 ± 8.8 .541^{^a}
Reperfusion therapy None: 37 (30.1%) 22 (32.4%) 15 (25.4%) 
IV-tPA: 61 (49.6%) 36 (52.9%) 25 (45.5%) .200^{^b}
IAT ± IV-tPA: 25 (20.3%) 10 (14.7%) 15 (27.3%) 
Occlusion level ICA: 24 (19.5%) 6 (8.8%) 18 (32.7%) 
MCA M1: 39 (31.7%) 15 (22.1%) 24 (43.6%) <.0001^{^b}
MCA M2/3: 36 (29.3%) 24 (35.3%) 12 (21.8%) 
None: 24 (19.5%) 23 (33.8%) 1 (1.8%) 
Note:—IAT indicates intra-arterial thrombolysis.
↵a Mann-Whitney U test.
↵b χ² test.
↵c Student t test.