Table 3.
Association between collateral-related parameters and clinical outcome.
| Variables | β | SE | Wald χ2 | Exp(B) | Lower 95% CI | Upper 95% CI | P |
|---|---|---|---|---|---|---|---|
| tMIP CTA VCCq | −1.96 | 0.73 | 6.78 | 0.14 | 0.03 | 0.59 | 0.009 |
| sCTA VCCq | 0.20 | 4.22 | 0.00 | 1.22 | 0.00 | 4759.09 | 0.962 |
| Tan score on tMIP CTA | −1.39 | 1.01 | 1.89 | 0.25 | 0.04 | 1.81 | 0.169 |
| Tan score on sCTA | 1.66 | 0.82 | 0.93 | 5.25 | 1.06 | 26.12 | 0.336 |
| IP volume | −0.01 | 0.01 | 1.07 | 0.99 | 0.97 | 1.01 | 0.300 |
| IC volume | 0.01 | 0.03 | 0.07 | 1.01 | 0.96 | 1.06 | 0.798 |
| Mismatch ratio | 0.08 | 0.15 | 0.28 | 1.08 | 0.81 | 1.46 | 0.594 |
FIV, final infarct volume; CI, confidence interval; tMIP CTA, time maximum intensity projection computed tomography angiography; sCTA, single-phase computed tomography angiography; tMIP CTA VCCq, quantitative measurement of vascular volume ratio on tMIP CTA; sCTA VCCq, quantitative measurement of vascular volume ratio on sCTA; IP, ischemic penumbra; IC, ischemic core.