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Table 1: Comparison of baseline characteristics according to clinical outcome
Poor Outcome (mRS > 2) (n = 60) Good Outcome (mRS ≤ 2) (n = 44) P Value Age (yr) 74 (65–81) 66 (58–76) .005 Male (No.) (%) 33 (55.0%) 28 (63.6%) .424 Baseline NIHSS (mean) 16 ± 5 11 ± 6 <.001 Onset-to-needle time (mean) (min) 230 (168–297) 207 (119–259) .059 Endovascular thrombectomy (No.) (%) 22 (36.7%) 16 (36.4%) 1.000 Prior antiplatelet usage (No.) (%) 12 (20.0%) 9 (20.5%) 1.000 Risk factors Smoking (No.) (%) 18 (30.0%) 13 (29.5%) 1.000 Hypertension (No.) (%) 35 (58.3%) 22 (50.0%) .431 Diabetes mellitus (No.) (%) 16 (26.7%) 6 (13.6%) .146 Hyperlipidemia (No.) (%) 22 (36.7%) 21 (47.7%) .315 History of stroke/TIA (No.) (%) 11 (18.3%) 5 (11.4%) .415 Atrial fibrillation (No.) (%) 38 (63.3%) 20 (45.5%) .076 Radiologic data Baseline infarct core volume (mean) (mL) 69.27 ± 49.51 40.72 ± 30.91 .001 Baseline hypoperfusion volume (mean) (mL) 134.28 ± 61.07 98.22 ± 60.43 .004 TAImax (median) (IQR) (HU) 18.0 (10.0–38.7) 39.9 (26.1–73.3) <.001 TAIpeak (median) (IQR) (HU) 4.6 (−4.2–17.5) 18.7 (5.9–43.0) <.001 TAIcon (median) (IQR) (HU) 2.2 (−5.5–12.4) 10.4 (−2.0–36.7) .006 Thrombus perviousness by dichotomized TAImax (No.) (%) 18 (30.0%) 31 (70.5%) <.001 Thrombus perviousness by dichotomized TAIpeak (No.) (%) 22 (36.7%) 31 (70.5%) .001 Thrombus perviousness by dichotomized TAIcon (No.) (%) 13 (21.7%) 21 (47.7%) .005