Baseline characteristics and outcome variables of patients with large vessel occlusion with and without infarct in new territory (INT) following treatment with mechanical thrombectomy
| Variable | No INT (n=354) | INT (n=54) | P value |
| Age (years, mean±SD) | 63.4±15.1 | 66.1±12.6 | 0.213 |
| Men (%) | 52 | 40.7 | 0.116 |
| Admission NIHSS score, points (median, IQR) | 16 (11–20) | 16 (10–21) | 0.586 |
| Occlusion location | M1 MCA=45% M2 MCA=12% ACA=0% Intracranial ICA=7% Cervical ICA=5% Posterior=14% M1 and C-ICA=7% M1 and IC-ICA=7% M3/M4=2% Other=0.3% | M1 MCA=35% M2 MCA=11% ACA=0% Intracranial ICA=0% Cervical ICA=4% Posterior=37% M1 and C-ICA=2% M1 and IC-ICA=7% M3/M4=4.3% Other=0% | |
| Onset-to-groin puncture, min (median, IQR) | 246 (180–324) | 288 (200–440) | 0.036 |
| Groin puncture-to-recanalization, min (median, IQR) | 52 (35–79) | 61 (40–88) | 0.223 |
| Pretreatment with IV thrombolysis | 71% | 54% | 0.011 |
| Posterior circulation | 10% | 28% | <0.001 |
| Symptomatic intracranial hemorrhage (%) | 8% | 6% | 0.533 |
| Complete recanalization (%) | 70 | 70 | 0.934 |
| Discharge NIHSS, points (median, IQR) | 7 (3–17) | 10 (4–42) | 0.013 |
| 3-Month modified Rankin Scale (mRS), grades (median, IQR) | 2 (1–5) | 5 (2–6) | 0.005 |
| 3-Month excellent functional outcome— that is, mRS 0–1 (%) | 28 | 18 | 0.137 |
| 3-Month good functional outcome—that is, mRS 0–2 (%) | 50 | 30 | 0.007 |
| 3-Month mortality (%) | 22% | 32% | 0.133 |
Eleven patients with missing data.
ACA, anterior cerebral artery; ICA, internal carotid artery; MCA, middle cerebral artery; NIHSS, National Institutes of Health Stroke Scale.