Univariate and multivariate regression modeling of patient variables that predict clinical outcome in the total study population
| Variable | Univariate | Multivariate | ||
| OR (95% CI) | P value | OR (95% CI) | P value | |
| Age | 1.05 (1.02 to 1.07) | <0.001 | 1.03 (1.00 to 1.07) | 0.04 |
| Gender (male) | 0.67 (0.37 to 1.22) | 0.19 | – | – |
| Onset to arrival | 0.98 (0.90 to 1.07) | 0.63 | – | – |
| Onset to imaging | 0.98 (0.91 to 1.04) | 0.45 | – | – |
| Arrival to imaging | 0.99 (0.85 to 1.13) | 0.83 | – | – |
| Imaging to GP | 0.86 (0.69 to 1.09) | 0.21 | – | – |
| Onset to tPA | 0.74 (0.51 to 1.07) | 0.11 | – | – |
| Onset to GP | 0.96 (0.89 to 1.04) | 0.34 | – | – |
| GP to revascularization | 1.39 (0.89 to 2.53) | 0.21 | – | – |
| Onset to revascularization | 0.98 (0.89 to 1.07) | 0.32 | – | – |
| CT | 1.18 (0.64 to 2.18) | 0.60 | – | -- |
| CTA | 0.85 (0.46 to 1.56) | 0.60 | – | – |
| CTP | 0.58 (0.31 to 1.09) | 0.09 | – | – |
| MRA | 0.41 (0.02 to 10.75) | 0.54 | – | – |
| Pre-procedure mRS | 1.40 (1.14 to 1.74) | 0.002 | 1.25 (0.97 to 1.62) | 0.09 |
| Pre-procedure NIHSS | 1.10 (1.05 to 1.16) | <0.001 | 1.03 (0.95 to 1.10) | 0.05 |
| IA tPA | 0.76 (0.42 to 1.36) | 0.36 | -- | -- |
| Passes with primary technique | 1.27 (1.03 to 1.59) | 0.03 | 1.17 (0.85 to 1.65) | 0.35 |
| Final TICI score | 0.70 (0.51 to 0.94) | 0.02 | 0.86 (0.55 to 1.32) | 0.48 |
| Post-intervention ICH | 4.13 (1.77 to 10.14) | 0.001 | 4.49 (0.99 to 25.55) | 0.06 |
| Post-procedure mRS | 3.36 (2.57 to 4.52) | <0.001 | – | – |
| Post-procedure NIHSS | 1.25 (1.18 to 1.33) | <0.001 | – | – |
Threshold for statistical significance was set at p<0.05.
CTA, CT angiography; CTP, CT perfusion; GP, groin puncture; ICH, intracranial hemorrhage; MRA, MR angiography; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; TICI, Thrombolysis in Cerebral Infarction; tPA, tissue plasminogen activator.