Age (yr) | 73 (60–80) | 70 (57–79) | 71 (56–80) | 67 (62–77) | .339 |
Male (No.) (%) | 12 (63) | 31 (49) | 68 (60) | 27 (55) | .500 |
Hypertension (No.) (%)b | 12 (63) | 38 (60) | 58 (51) | 26 (53) | .537 |
Diabetes mellitus (No.) (%)b | 4 (21) | 9 (14) | 13 (12) | 6 (12) | .708 |
Hyperlipidemia (No.) (%)b | 9 (47) | 18 (29) | 43 (38) | 18 (37) | .477 |
Current smoking (No.) (%)c | 3 (16) | 12 (19) | 23 (20) | 10 (20) | .954 |
Systolic BP (mm Hg) | 148 (140–172) | 159 (142–173) | 151 (139–167) | 148 (134–160) | .071 |
Diastolic BP (mm Hg) | 87 (76–93) | 84 (69–95) | 80 (70–89) | 80 (72–90) | .334 |
Serum glucose (mmol/L)d | 6.6 (5.5–8.1) | 6.7 (5.4–7.3) | 6.4 (5.5–7.6) | 6.0 (5.3–7.0) | .189 |
Baseline NIHSS scoreb | 13 (8–20) | 13 (7–18) | 15 (8–20) | 15 (11–21) | .321 |
Onset-to-MRI time (min) | 142 (84–196) | 115 (89–176) | 115 (91–151) | 97 (83–130) | .007 |
Proximal occlusion (No.) (%) | 6 (31) | 31 (49) | 81 (72) | 43 (88) | <.001 |
DWI1 volume (mL) | 24 (12–102) | 19 (5–67) | 18 (7–49) | 12 (6–34) | .077 |
Tmax >10-sec volume (mL) | 26 (5–76) | 17 (4–43) | 24 (11–53) | 30 (11–64) | .200 |
Tmax >6-sec volume (mL) | 65 (19–133) | 47 (19–102) | 78 (40–123) | 96 (66–134) | .002 |
HIR ≤ 0.35 (No.) (%) | 6 (32) | 30 (48) | 54 (47) | 32 (65) | .057 |
HIR | 0.44 (0.30–0.54) | 0.39 (0.19–0.48) | 0.33 (0.19–0.47) | 0.32 (0.14–0.44) | .049 |
PWI-DWI mismatch (No.) (%) | 6 (32) | 32 (51) | 71 (63) | 35 (51) | .011 |
DWI2 volume (mL) | 73 (14–150) | 43 (13–147) | 37 (13–104) | 29 (12–52) | .075 |
24-hr infarct growth (mL) | 27 (2–87) | 19 (4–57) | 14 (1–45) | 13 (4–28) | .125 |
Complete recanalization (No.) (%) | 7 (37) | 19 (30) | 38 (34) | 21 (43) | .551 |
ENI (No.) (%)e | 7 (37) | 12 (20) | 30 (27) | 29 (53) | <.001 |
3-mo mRS ≤ 1 (No.) (%)f | 3 (17) | 14 (24) | 35 (34) | 22 (45) | .039 |
3-mo mRS ≤ 2 (No.) (%)f | 9 (47) | 26 (41) | 47 (42) | 32 (65) | .057 |