Table 4.
Multivariable regression analysis of the association of TAI measures with favorable functional outcome
| 10 HU increase of TAI | Regression analysis | AIC | BIC | |||
|---|---|---|---|---|---|---|
| Model 1 | Model 2 | |||||
| aOR (95% CI) | p | aOR ((95% CI) | p | |||
| Arterial phase | 1.589(1.04–2.428) | 0.03 | – | – | 234.7 | 251.7 |
| Venous phase | – | – | 1.423(0.559–3.621) | 0.59 | 234.1 | 251.1 |
| Delayed phase | – | – | 1.363(0.437–4.248) | 0.46 | 238.0 | 255.0 |
| TiCTA | 1.216(0.87–1.7) | 0.25 | – | – | 235.0 | 252.0 |
Model 1: Age, NIHSS, TAI and TAI*NIHSS; Model 2: Age, NIHSS,TAI and TAI*Age; and italic p is significant at the 0.05 level
TAI thrombus attenuation increase, OR odds ratio, aOR adjusted odds ratio, CI confidence interval, p significance value, NIHSS National Institutes of Health Stroke Scale, HU Hounsfield unit, TiCTA time invariant computed tomography angiography, AIC Akaike information criterion, BIC Bayesian information criterion