Multivariate analyses determining predictors of unfavorable outcome
| Characteristics | Odds ratio (95% CI) | P value |
| Analysis 1: All patients | ||
| Age (10 years) | 0.62 (0.46 to 0.82) | <0.001 |
| Onset to groin puncture (hour) | 0.61 (0.48 to 0.77) | <0.001 |
| Groin puncture to recanalization (10 min) | 0.89 (0.80 to 0.99) | 0.032 |
| Baseline NIHSS score (11–19 vs 8–10) | 0.23 (0.07 to 0.75) | 0.116 |
| Baseline NIHSS score (20–28 vs 8–10) | 0.17 (0.05 to 0.62) | 0.018 |
| Collaterals | 1.48 (1.04 to 2.10) | 0.029 |
| Analysis 2: Patients with procedure time ≥60 min | ||
| Age (10 years) | 0.66 (0.40 to 1.09) | 0.108 |
| Onset to groin puncture (hour) | 0.69 (0.44 to 1.07) | 0.100 |
| Groin puncture to recanalization (10 min) | 0.87 (0.70 to 1.08) | 0.218 |
| Baseline NIHSS score (11–19 vs 8–10) | 0.29 (0.04 to 1.90) | 0.559 |
| Baseline NIHSS score (20–28 vs 8–10) | 0.19 (0.02 to 1.97) | 0.260 |
| Collaterals | 1.47 (0.75 to 2.88) | 0.262 |
NIHSS, National Institutes of Health Stroke Scale.