Efficacy and safety of endovascular thrombectomy in mild ischemic stroke: results from a retrospective study and meta-analysis of previous trials

Table 2 Odds ratios for clinical outcome by mechanical thrombectomy compared to medical therapy

	mRS 0–1 at 3 months			mRS 0–2 at 3 months			sICH at 48 h			Mortality at 3 months
	OR	95% CI	P value	OR	95% CI	P value	OR	95% CI	P value	OR	95% CI	P value
Crude analysis	1.57	0.86 to 2.86	0.13	1.67	0.89 to 3.15	0.10	5.40	1.11 to 26.24	0.02	5.17	0.56 to 47.25	0.17
Multivariable analysis^a	3.23	1.35 to 7.73	0.008	2.59	1.06 to 6.33	0.03	3.05	0.44 to 21.23	0.25	2.19	0.13 to 37.08	0.58
PS matching^b	2.78	1.12 to 6.89	0.02	1.85	0.75 to 4.55	0.17	2.71	0.49 to 14.90	0.43	4.33	0.46 to 40.60	0.35
PS matching with additional adjustments^c	3.20	1.22 to 8.37	0.01	2.08	0.79 to 5.47	0.13	3.08	0.45 to 20.69	0.24	4.85	0.48 to 49.04	0.18

CI confidence interval, OR Odd Ratio, PS propensity score
^aAdjusted for age, sex, medical histories (atrial fibrillation, hyperlipidemia, diabetes), smoking, systolic blood pressure, admission NIHSS, time of onset to imaging, intravenous thrombolysis, stroke etiology and site of occlusion
^bPS-matched sample included 40 pairs with 1:1 ratio
^cAdjusted for Sex, atrial fibrillation, intravenous thrombolysis and stroke etiology in mRS outcome and mortality; adjusted for age, sex, atrial fibrillation, diabetes, intravenous thrombolysis, ASPECTS, time of onset to imaging and stroke etiology in sICH

ISSN: 1471-2377