Table 2.

Independent predictors for OI development in univariate and multivariate binary logistic regression analysis.

Variables	Univariate OR, 95 CI %	P	Multivariate OR, 95 CI %	P
CRP/albumin ratio	6.815 (3.069–15.130)	0.000	5.215 (2.682–10.137)	0.000
The peak body temperature	4.005 (1.418–11.311)	0.009	2.905 (1.255–6.724)	0.013
Procalcitonin	1.655 (0.928–2.950)	0.088	1.236 (0.791–1.931)	0.353
BNP	1.002(1.000–1.003)	0.026	1.002(1.000–1.004)	0.056

Abbreviations: OI, oxygenation impairment; CRP, C-reactive protein; BNP, brain natriuretic peptide. CI, confidence interval; OR, odds ratio.