Table 2

Multivariate analysis for predictors of good outcome and mortality at 90 days after endovascular thrombectomy

VariableMultivariate model for good outcome (n=333)Multivariate model for mortality (n=333)
OR95% CIP valueOR95% CIP value
Female gender1.600.94 to 2.730.0821.360.71 to 2.620.353
White1.120.65 to 1.940.677 0.46 0.23 to 0.93 0.031
Age ≥80 years 0.42 0.85 to 0.21 0.015 3.56 7.48 to 1.69 <0.001
Onset to groin time (min)1.001 to 10.91211 to 10.804
Pre-stroke mRS 0.62 0.44 to 0.87 0.006 1.56 1.16 to 2.09 0.003
Baseline NIHSS 0.88 0.84 to 0.92 <0.0001 1.07 1.02 to 1.13 0.01
No of branches occluded1.350.87 to 2.10.1810.61 to 1.640.996
Diabetes0.750.42 to 1.360.3410.60.3 to 1.220.161
Hypertension1.360.71 to 2.590.351.260.58 to 2.730.558
Atrial fibrillation1.520.83 to 2.790.1781.480.74 to 2.980.268
Hyperlipidemia0.630.36 to 1.10.1051.150.59 to 2.240.685
Prior stroke0.740.36 to 1.50.4032.090.87 to 5.050.1
ASPECT score1.080.94 to 1.240.2710.910.77 to 1.090.31
IV tPA1.040.6 ─ 1.810.8871.50.76 to 2.950.242
IA tPA0.940.35 to 2.550.9882.360.73 to 7.650.94
No of attempts 0.78 0.66 to 0.92 0.003 1.19 1 to 1.41 0.053
Procedure time0.990.98 to 10.10710.99 to 1.010.909
Successful recanalization (TICI 2b+)2.160.47 to 9.890.3230.960.27 to 3.370.948
Complications1.370.27 to 6.920.7031.290.19 to 8.720.794
  • Variables showing statistical significance (p<0.05) are in bold type.

  • ASPECT score, Alberta Stroke Program Early CT score; IA tPA, intra-arterial tissue plasminogen activator;  IV tPA, intravenous tissue plasminogen activator; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; TICI, Thrombolysis in Cerebral Ischemia.