Comparison of Aggressive Surgical Treatment and Palliative Treatment in Elderly Patients with Poor-Grade Intracranial Aneurysmal Subarachnoid Hemorrhage

Table 4

Multivariate analysis of the potential prognostic factors.

Variable	Regression coefficient	OR	Confidential interval of the OR value	P value
treatment approach
Coiling (versus palliative)	2.623	13.777	3.380–56.149	<0.001
Clipping (versus palliative)	2.055	7.807	2.081–29.283	0.002
CT Fisher grade (low versus high)	1.135	3.111	1.147–8.449	0.026
WFNF grade (IV versus V)	1.500	4.482	1.912–10.496	0.001
Cerebral hernia (symmetric versus asymmetric)	1.551	4.716	0.745–29.904	0.100
Age (60–70 years old versus ≥70 years old)	0.468	1.597	0.935–2.729	0.087