Table 4.

Crude and adjusted ORs of CAI on both sides and 6-month unfavorable functional outcome

	Unadjusted		Adjusted for NIHSS at recruitment		Adjusted for ECP duration
	OR (95% CI)	p Value	OR (95% CI)	p Value	OR (95% CI)	p Value
CAI on ipsilateral side (%)	1.118 (1.018 to 1.229)	0.019	1.154 (1.038 to 1.282)	0.008	1.145 (1.031 to 1.271)	0.011
CAI on contralateral side (%)	1.011 (0.989 to 1.034)	0.323	1.070 (0.965 to 1.187)	0.197	1.065 (0.961 to 1.181)	0.228

CAI, cerebral augmentation index; ECP, external counterpulsation; NIHSS, National Institutes of Health Stroke Scale.