Multivariate analysis determining the predictors of futile recanalization
| Variable | OR (95% CI) | P Value for Difference | P Value for Trend |
|---|---|---|---|
| Age strata | N/A | ||
| ≤70 years | Reference | ||
| >70 years | 4.4 (1.9–10.5) | .0008 | |
| NIHSS score strata | <.0001 | ||
| 0–9 | Reference | ||
| 10–19 | 3.8 (1.7–8.4) | .001 | |
| ≥20 | 64.4 (28.8–144.4) | <.0001 | |
| Time to treatment strata | .38 | ||
| ≤3 hours | Reference | ||
| 3–6 hours | 2.5 (1.3–4.8) | .0049 | |
| >6 hours | 1.3 (0.8–2.2) | .27 | |
| Occlusion severity strata (Qureshi: grade) | N/A | ||
| Mild (grade 0–2) | Reference | ||
| Severe (grade 3–5) | 0.4 (0.1–2.6) | .37 |