| All patients (N = 155) | non-MBE group (N = 125) | MBE group (N = 30) | P |
---|---|---|---|---|
Age, median (IQR), years | 64(54–72) | 65(54–73) | 61(56.25–69.5) | 0.231 |
Male, n (%) | 102(65.8) | 83(66.4) | 19(63.3) | 0.750 |
Medical history, n (%) | Â | Â | Â | Â |
 Hypertension | 94(60.6) | 74(59.2) | 20(66.7) | 0.452 |
 Diabetes mellitus | 41(26.5) | 36(28.8) | 5(16.7) | 0.176 |
 Coronary heart disease | 29(18.7) | 26(20.8) | 3(10.0) | 0.173 |
 Past history of stroke | 36(23.2) | 31(24.8) | 5(16.7) | 0.343 |
 Atrial fibrillation | 53(34.2) | 46(36.8) | 7(23.3) | 0.163 |
 Smoking | 77(49.7) | 62(49.6) | 15(50.0) | 0.969 |
 Alcohol use | 71(45.8) | 56(44.8) | 15(50.0) | 0.608 |
Clinical and imaging characteristics | Â | Â | Â | Â |
 NIHSS score at admission, median (IQR), score | 14(11–17) | 14(11–17) | 16(12–19) | 0.074 |
 Baseline ASPECT score, median (IQR), score | 8(8–10) | 9(8–10) | 8(6–9) |  < 0.001 |
 Present HMCAS, n (%) | 79(51.0) | 73(58.4) | 6(20.0) |  < 0.001 |
 Signs of early infarction, n (%) | 81(52.3) | 57(45.6) | 24(80.0) | 0.001 |
TOAST classification, n (%) | Â | Â | Â | 0.572 |
 LAA | 97(62.6) | 77(61.6) | 20(66.7) |  |
 Cardioembolic | 42(27.1) | 36(28.8) | 6(20.0) |  |
 Undetermined or others | 16(10.3) | 12(9.6) | 4(13.3) |  |
Occluded vessel region, n (%) | Â | Â | Â | 0.193 |
 ICAT | 29(18.7) | 20(16.0) | 9(30.0) |  |
 MCA M1 | 85(54.8) | 73(58.4) | 12(40.0) |  |
 MCA M2 | 13(8.4) | 11(8.8) | 2(6.7) |  |
 ICA + MCA | 28(18.1) | 21(16.8) | 7(23.3) |  |
Time from onset to imaging, median (IQR), min | 187(105–336) | 203(106.5–349.5) | 159.5(87–292.75) | 0.305 |
OTP, median (IQR), min | 355(195–524) | 375(206–545) | 273(176.75–460.25) | 0.162 |
Intravenous thrombolysis, n (%) | 41(26.5) | 33(26.4) | 8(26.7) | 0.976 |
Angiographic favorable collaterals, n (%) | 54(34.8) | 49(39.2) | 5(16.7) | 0.020 |
Number of retrieval attempts, median (IQR), count | 1(1–2) | 1(1–2) | 2(1–4) | 0.018 |
Balloon dilatation, n (%) | 18(11.6) | 16(12.8) | 2(6.7) | 0.532 |
Stent implantation, n (%) | 7(4.5) | 6(4.8) | 1(3.3) | 1.000 |
Revascularization (mTICI ≥ 2b), n (%) | 130(83.9) | 115(92.0) | 15(50.0) |  < 0.001 |
Favorable clinical outcome (mRS ≤ 2), n (%) | 68(43.9) | 64(51.2) | 4(13.3) |  < 0.001 |