Table 3.
Independently fitted logistic regression analysis of clinical outcome.
| Population with successful reperfusion (mTICI 2b-3) | ||||
|---|---|---|---|---|
| Parameter estimates | ||||
| Effect | Level | Estimate | p-value | Odds ratio (95% CI) |
| Intercept | −4.96 (1.234) | < 0.0001* | ||
| Age at enrollment (years) | ≥ 75 | 0.34 (0.245) | 0.16 | 1.97 (0.75−5.15) |
| Number of passes recorded at study site | > 1 | 0.55 (0.219) | 0.012* | 1.73 (1.12−2.65) |
| NIHSS at presentation to study/treatment hospital | 0.22 (0.054) | < 0.0001* | 1.24 (1.12−1.38) | |
| Balloon guide deployed and inflated? | Yes | 0.04 (0.265) | 0.88 | 1.08 (0.38−3.05) |
| Baseline ASPECTS | ASPECTS 0–8 | 0.08 (0.312) | 0.81 | 1.17 (0.34−3.95) |
| Baseline collateral grade (ASITN) | −0.50 (0.342) | 0.14 | 0.61 (0.31−1.19) | |
| Population with successful reperfusion (mTICI 2c-3) | ||||
| Intercept | −4.26 (1.278) | < 0.001* | ||
| Age at enrollment (years) | ≥ 75 | 0.60 (0.279) | 0.031* | 3.33 (1.11−9.94) |
| Number of passes recorded at study site | > 1 | 0.63 (0.275) | 0.023* | 1.87 (1.09−3.21) |
| NIHSS at presentation to study/treatment hospital | 0.20 (0.059) | < 0.001* | 1.22 (1.08−1.36) | |
| Baseline ASPECTS | ASPECTS 0–8 | 0.13 (0.339) | 0.69 | 1.30 (0.35−4.92) |
| Baseline collateral grade (ASITN) | −0.79 (0.398) | 0.047* | 0.45 (0.21−0.99) | |
ASITN/SIR: American Society of Interventional and Therapeutic Neuroradiology/Society of Interventional Radiology; ASPECTS: Alberta Stroke Program Early CT Score; CI: confidence interval; mTICI: modified thrombolysis in cerebral infarct; N: number; NIHSS: National Institutes of Health Stroke Scale.
*Statistically significant.