Table 2.

Multivariate logistic regression analysis for unfavorable neurological outcome.

Variables	Adjusted OR [95 % CI]	P
Age	1.06[1.02–1.11]	0.008
Hunt-Hess grade 3-5	1.55[0.61–3.94]	0.360
Modified Fisher scale 3-4	4.02[1.39–11.66]	0.010
Opioids	1.47[0.50–4.29]	0.482
Mechanical ventilation	7.23[2.61–20.00]	<0.001
TWAPaCO2		0.116
TWA-PaCO2 < 35 mmHg	2.15[0.83–5.55]	0.113
TWA-PaCO2 35–45 mmHg	Reference
TWA-PaCO2 > 45 mmHg	8.31[0.72–96.14]	0.090

OR, odds ratio; CI, confidence interval; TWA-PaCO₂, time-weighted average-arterial partial pressure of carbon dioxide.