Research Article
Collateral Status and Clinical Outcomes after Mechanical Thrombectomy in Patients with Anterior Circulation Occlusion
Table 1
Characteristics of patients by collateral status.
| | Variables | Poor collaterals (n = 109) | Good collaterals (n = 110) | value |
| | Age, mean ± SD (yrs) | 68.1 ± 10.7 | 67.2 ± 7.4 | 0.240 | | Male, n (%) | 57 (52.3) | 61 (55.5) | 0.171 | | History of diseases, n (%) | | | | | Hypertension | 79 (72.5) | 72 (65.5) | 0.025 | | Diabetes | 37 (33.9) | 27 (24.5) | 0.001 | | Atrial fibrillation | 39 (35.8) | 32 (29.1) | 0.076 | | Ischemic stroke | 21 (19.3) | 13 (11.8) | 0.005 | | Medication use, n (%) | | | | | Statin | 63 (57.8) | 75 (68.2) | 0.001 | | Antiplatelet | 57 (52.3) | 65 (59.1) | 0.112 | | Anticoagulant | 27 (24.8) | 20 (18.2) | 0.075 | | SBP at hospital arrival, median (IQR) (mmHg) | 150.9 (25.2) | 144.0 (25.1) | <0.001 | | Glucose at hospital arrival, median (IQR) (mmol/L) | 7.5 (5.0–10.2) | 7.0 (5.4–8.7) | 0.231 | | Time from stroke onset to intravenous alteplase, median (IQR) (min) | 125 (82–167) | 117 (74–152) | 0.354 | | Time from stroke onset to groin puncture, median (IQR) (min) | 245 (205–289) | 258 (25–309) | 0.245 | | Time from stroke onset to revascularization, median (IQR) (min) | 321 (271–376) | 340 (277–387) | 0.192 | | Location of intracranial artery occlusion, n (%) | | | <0.001 | | Intracranial ICA | 39 (35.8) | 34 (30.9) | | | M1 segment | 58 (53.2) | 65 (59.1) | | | M2 segment | 12 (11.0) | 11 (10.0) | | | NIHSS at hospital arrival, median (IQR) | 20 (16–24) | 16 (13–20) | 0.001 | | Good mRS (≤2) at 90 days, n (%) | 52 (47.7) | 64 (58.2) | <0.001 | | Mortality at 90 days, n (%) | 29 (26.6) | 22 (20.0) | 0.003 |
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