Table 4

Multivariate analysis for predictors of good outcome at 90 days after endovascular thrombectomy by initial technique

VariableMultivariate - stent retriever (n=444)Multivariate - aspiration (n=734)
OR95% CIP valuesOR95% CIP values
Female gender 0.62 0.4 to 0.97 0.037 0.68 0.48 to 0.97 0.031
White1.520.84 to 2.730.1620.840.59 to 1.20.332
Age ≥80 0.40 0.24 to 0.68 <0.001 0.43 0.27 to 0.69 <0.001
Onset-to-groin time1.001 to 10.4281.001 to 10.625
Pre-stroke mRS 0.82 0.67 to 1.01 0.059 0.70 0.57 to 0.86 0.001
Baseline NIHSS 0.91 0.88 to 0.94 <0.001 0.89 0.87 to 0.92 <0.001
Posterior circulation stroke 0.29 0.14 to 0.61 0.001 0.660.36 to 1.210.181
Number of comorbidities0.930.77 to 1.110.3980.930.8 to 1.080.351
IV tPA1.300.81 to 2.10.2780.970.68 to 1.40.885
IA tPA0.750.42 to 1.350.3361.070.65 to 1.760.788
Number of attempts0.860.73 to 1.020.092 0.83 0.75 to 0.93 0.001
TICI score1.050.86 to 1.290.608 1.35 1.16 to 1.57 <0.001
Complications0.480.17 to 1.360.1670.580.22 to 1.520.265
  • Variables showing statistical significance (p<0.05) are in bold.

  • mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; TICI, Thrombolysis in Cerebral Infarction; tPA, tissue plasminogen activator.