Table 4.

Univariate logistic regression analysis of predictors for long-term Barthel Index <35 after ischemic stroke ^a

Variables	Odds ratio	95% confidence interval	P value
ACEI/ARB	0.26	0.001 to 0.573	0.021
Old stroke history	15.066	1.180 to 192.33	0.037
CD31/CD34 level at day 21	0.372	0.144 to 0.957	0.04
Erythropoietin	0.216	0.052 to 0.879	0.035

ACEI/ARB, angiotensin-converting enzyme inhibitor/angiotensin II type I receptor blocker. ^aLong-term Barthel Index defined as the measurement that represented the final neurological status estimated at the end of the study period.