Table 3 Comparison between favorable clinical outcome and poor clinical outcome groups after MT
|  | Favorable clinical outcome (mRS ≤ 2) (N = 68) | Poor clinical outcome (mRS ≥ 3) (N = 87) | P |
|---|---|---|---|
Age, mean ± SD, years | 62.59 ± 11.19 | 64.52 ± 13.43 | 0.342 |
Male, n (%) | 44(64.7) | 58(66.7) | 0.798 |
Medical history, n (%) | Â | Â | Â |
 Hypertension | 42(61.8) | 52(59.8) | 0.801 |
 Diabetes mellitus | 16(23.5) | 25(28.7) | 0.466 |
 Coronary heart disease | 16(23.5) | 13(14.9) | 0.174 |
 Past history of stroke | 14(20.6) | 22(25.3) | 0.492 |
 Atrial fibrillation | 22(32.4) | 31(35.6) | 0.669 |
 Smoking | 35(51.5) | 42(48.3) | 0.693 |
 Alcohol use | 28(41.2) | 43(49.4) | 0.306 |
Clinical and imaging characteristics | Â | Â | Â |
 NIHSS score at admission, median (IQR), score | 13(11–16) | 15(12–18) | 0.007 |
 Baseline ASPECT score, median (IQR), score | 8.5(8–10) | 8(7–10) | 0.501 |
 Present HMCAS, n (%) | 39(57.4) | 40(46.0) | 0.160 |
 Signs of early infarction, n (%) | 32(47.1) | 49(56.3) | 0.252 |
TOAST classification, n (%) | Â | Â | 0.701 |
 LAA | 45(66.2) | 52(59.8) |  |
 Cardioembolic | 17(25.0) | 25(28.7) |  |
 Undetermined or others | 6(8.8) | 10(11.5) |  |
Occluded vessel region, n (%) | Â | Â | 0.473 |
 ICAT | 12(17.6) | 17(19.5) |  |
 MCA M1 | 40(58.8) | 45(51.7) |  |
 MCA M2 | 7(10.3) | 6(6.9) |  |
 ICA + MCA | 9(13.2) | 19(21.8) |  |
Time from onset to imaging, median (IQR), min | 196(108.25–341.75) | 181(100–336) | 0.861 |
OTP, median (IQR), min | 387.5(216.75–502.25) | 345(185–560) | 0.660 |
Intravenous thrombolysis, n (%) | 16(23.5) | 25(28.7) | 0.466 |
Angiographic favorable collaterals, n (%) | 37(54.4) | 17(19.5) |  < 0.001 |
Number of retrieval attempts, median (IQR), count | 1(1–2) | 2(1–2) | 0.009 |
Balloon dilatation, n (%) | 11(16.2) | 7(8.0) | 0.117 |
Stent implantation, n (%) | 4(5.9) | 3(3.4) | 0.700 |
Revascularization (mTICI ≥ 2b), n (%) | 64(94.1) | 66(75.9) | 0.002 |
MBE, n (%) | 4(5.9) | 26(29.9) |  < 0.001 |