Table 5.

Multivariate analysis of factors impacting the occurrence of poor outcome.

Parameter	p	aOR	95% CI
WFNS 4/5	< 0.001	3.27	2.14–5.00
Fisher 3/4	0.011	3.61	1.35–9.65
Age (> 65 years)	< 0.001	3.30	2.00–5.45
DCI	< 0.001	6.45	3.78–11.00
Pneumonia	0.006	2.10	1.24–3.57
Prolonged MV (> 7 days)	> 0.001	2.78	1.83–4.23
Optimal PaCO2 (30–38 mmHg)	0.004	0.42	0.23–0.76

Statistically significant p-values are marked bold.