Table 2.

Univariate and multivariate logistic regression analyses of risk factors associated with 3 months poor outcome.

Parameter	Univariate analysis			Multivariate analysis
	OR	95% CI	P	Adjusted OR	95% CI	P
Age	1.0	1.0–1.1	<0.001	1.0	1.0–1.1	0.034
Hypertension	2.1	1.2–3.6	0.009	0.9	0.4–2.0	0.857
HH grade (3–5)	5.8	3.2–10.7	<0.001	3.7	1.8–7.7	<0.001
mFS (3–4)	8.5	4.4–16.2	<0.001	6.0	2.9–12.5	<0.001
Posterior circulation	3.4	1.3–8.9	0.011	4.4	1.3–15.0	0.019
FFA	2.5	1.1–5.8	0.012	3.1	1.2–8.0	0.021

HH, Hunt Hess; mFS, modified Fisher scale; FFA, free fatty acids; OR, Odds ratio; CI, confidence interval.

The bold value indicates that the P value of the parameter is less than 0.05.