Characteristics | MT alone group (n=56) | BT group (n=85) | p Value |
Demographics and risk factors | |||
Female sex, n (%) | 32 (57) | 30 (35) | 0.02* |
Age (years), mean (SD) | 73 (15) | 68 (15) | 0.42 |
Wake-up stroke, n (%) | 4 (7) | 13 (15) | 0.19 |
Hypertension, n (%) | 27 (48) | 48 (56) | 0.31 |
Current smoking, n (%) | 10 (18) | 17 (20) | 0.83 |
Dyslipidemia, n (%) | 19 (34) | 31 (36) | 0.86 |
Diabetes, n (%) | 10 (18) | 18 (21) | 0.67 |
BMI>30, n (%) | 9 (16) | 14 (16) | 0.58 |
Previous medication by OAC, n (%) | 17 (30) | 2 (2) | <0.0001* |
Imaging at NIC n (%) | 36 (64) | 55 (65) | 0.51 |
Baseline factors | |||
NIHSS score at admission, median (IQR) | 18 (16–23) | 18 (14–22) | 0.18 |
Baseline ASPECTS, median (IQR) | 7 (6–9) | 7 (6–9) | 0.52 |
Cervical lesion associated, n (%) | 13 (23) | 26 (31) | 0.44 |
Anterior collaterality, n (%) | 45 (80) | 71 (84) | 0.81 |
Periprocedural times | |||
Onset to treatment (min), median (IQR) | |||
Onset to imaging | 120 (90–159) | 135 (100–165) | 0.47 |
Onset to groin puncture | 200 (140–280) | 240 (200–300) | 0.002* |
Imaging to groin puncture | 75 (40–113) | 97 (60–170) | 0.007* |
Onset to recanalization | 270 (203–340) | 294 (240–360) | 0.03* |
Technical and clinical outcomes | |||
Final mTICI, n (%) | |||
≤2a | 14 (25) | 17 (20) | |
≥2b | 42 (75) | 68 (80) | 0.54 |
Distal embolism, n (%) | 12 (21) | 23 (27) | 0.43 |
ICH, n (%) | 15 (27) | 37 (44) | 0.05 |
sICH, n (%) | 7 (13) | 15 (18) | 0.49 |
Number of passes, median (IQR) | 3 (1–4) | 2 (1–3) | 0.21 |
mRS score at 3 months | 0.29 | ||
0–2 | 19 (34) | 37 (44) | |
3–6 | 37 (66) | 48 (56) | |
Mortality, n (%) | 21 (38) | 18 (21) | 0.05* |
ASPECTS, Alberta Stroke Programme Early CT Score; BMI, body mass index; BT, bridging therapy; ICH, intracranial hemorrhage; mRS, modified Rankin Scale; MT, mechanical thrombectomy; mTICI, modified Thrombolysis In Cerebral Infarction; NIC, neurointerventional center; NIHSS, National Institute of Health Stroke Scale; OAC, oral anticoagulation; sICH, symptomatic intracranial hemorrhage.
*= the p value <0.05.