Table 2.

Logistic regression analysis to identify variables independently associated with 6-month unfavorable neurologic outcome.

	Univariable analysis OR (95% CI)	p-value	Multivariable analysis OR (95% CI)	p-value
Age	1.02 (1.00–1.05)	0.01	1.06 (1.02–1.01)	0.002
Poor grade (WFNS 4–5)	2.45 (1.16–5.16)	0.02	2.00 (0.77–5.23)	0.17
Intracranial hypertension	8.36 (4.09–17.09)	0.001	9.19 (3.87–21.82)	0.001
DCI	3.09 (1.52–6.31)	0.002	7.66 (2.71–21.69)	0.001
Endovascular treatment	0.62 (0.32–1.20)	0.29	0.95 (0.38–2.41)	0.79
Nimodipine prophylaxis	0.12 (0.03–0.55)	0.006	0.06 (0.01–0.35)	0.001
Intraparenchymal hematoma	2.83 (1.41–5.70)	0.004	3.32 (1.28–8.58)	0.009
ICP/PbtO2 guided therapy	2.83 (1.41–5.70)	0.81	0.55 (0.20–1.46)	0.10

Data are reported as odds ratio (OR) and 95% confidence intervals (CIs).

WFNS world federation of neurological surgeons, ICP intracranial hypertension, PbtO₂ brain tissue oxygenation, DCI delayed cerebral ischemia.