Table 7

Multivariate analysis for predictors of good outcome at 90 days after endovascular thrombectomy by age group

Variable	Multivariate model (<80 years) (n=879)			Multivariate model (≥80 years) (n=301)
Variable	OR	95% CI	P values	OR	95% CI	P values
Female gender	0.64	0.47 to 0.87	0.004	0.72	0.37 to 1.4	0.337
White	0.96	0.69 to 1.32	0.788	0.92	0.42 to 2	0.834
Onset to groin time	1.00	1 to 1	0.178	1.00	1 to 1	0.420
Pre-stroke mRS	0.78	0.66 to 0.92	0.003	0.66	0.48 to 0.9	0.010
Baseline NIHSS	0.90	0.88 to 0.92	<0.001	0.88	0.83 to 0.92	<0.001
Number of comorbidities	0.88	0.78 to 1	0.055	1.32	0.99 to 1.75	0.057
Posterior circulation stroke	0.35	0.21 to 0.57	<0.001	3.43	1.09 to 10.78	0.035
Prior stroke	1.03	0.55 to 1.94	0.924	1.13	0.36 to 3.59	0.834
IV tPA	1.09	0.79 to 1.5	0.604	1.27	0.62 to 2.57	0.513
IA tPA	0.89	0.59 to 1.35	0.594	0.88	0.35 to 2.2	0.792
Number of attempts	0.87	0.79 to 0.96	0.005	0.68	0.53 to 0.87	0.003
Use of aspiration at first pass	0.91	0.64 to 1.27	0.568	0.95	0.47 to 1.93	0.891
TICI score	1.28	1.12 to 1.47	<0.001	1.22	0.9 to 1.64	0.204
Complications	0.48	0.22 to 1.04	0.063	0.39	0.06 to 2.42	0.310

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.