Table 3.

Multivariate cox regression model showing the independent predictive variables of cognitive impairment in 126 low-grade patients after ruptured AComA aneurysms treatment.

Variable	Hazard ratio (95%CI)	P-value
Female	2.7 (1.2–6.0)	0.013
Duration of Loss of consciousness
Absent		0.000
<10 min	0.8 (0.2–3.9)	0.787
10~60 min	2.8 (0.9–8.1)	0.065
>60 min	7.9 (3.3–19.0)	0.000