TABLE 3.

Univariate and Multivariate Analyses for Variables Associated With Unfavorable Outcomes (mRS 3-6) Before and After Propensity Score Analysis

Variable	Univariate			Univariate after propensity score analysis			Multivariate after propensity score analysis
	OR	95% CI	P-value	OR	95% CI	P-value	OR	95% CI	P-value
Sex (female)	0.9	0.6-1.5	.736
Increasing age	1.0	1.0-1.0	.012	1.0	1.0-1.0	.038	1.0	1.0-1.1	.016
COVID-19	1.9	1.2-3.1	.004	2.5	1.3-5.1	.008	2.6	1.1-5.8	.025
NIHSS at admission	1.1	1.1-1.1	<.001	1.1	1.1-1.2	<.001	1.1	1.0-1.1	.005
Baseline functional status	1.6	1.1-2.4	.011	2.3	1.1-4.9	.026
Chronic heart disease	0.8	0.5-1.5	.619
Chronic lung disease	0.9	0.5-1.6	.821
Chronic kidney disease	1.5	0.6-3.5	.348
Chronic liver disease	2.6	0.6-11.7	.205
Hypertension	1.4	0.8-2.2	.186
Diabetes mellitus type II	1.4	0.8-2.4	.180	2.5	1.2-5.5	.019
Atrial fibrillation	0.8	0.5-1.3	.359
ASPECTS	0.8	0.7-0.9	.002	0.7	0.6-0.9	.005
No. of vessels involved	1.1	0.7-1.7	.578
LVO location (anterior circulation)	1.2	0.5-2.8	.682
Tissue plasminogen activator	0.8	0.5-1.2	.267
Onset to door	1.0	0.9-1.0	.280	1.0	1.0-1.0	.045
Onset to arterial access	0.9	0.9-1.0	.031	1.0	1.0-1.0	.035
General ET intubation	0.8	0.5-1.4	.448
Stenting	0.9	0.5-1.9	.908
Procedure duration	1.0	0.9-1.0	.053
TICI 2B-3	0.4	0.2-0.8	.009	0.6	0.4-0.9	.015	0.6	0.4-1.0	.042

ASPECTS, Alberta Stroke Program Early Computed Tomography Score; COVID-19, coronavirus disease; ET, endotracheal; LVO, large vessel occlusion; NIHSS, National Institutes of Health Stroke Scale; OR, odds ratio; TICI, thrombolysis in cerebral infarction.

Bold values indicate statistically significant value P < .05