Table 2.

Univariate logistic regression predicting early mortality within 24 h

Variable	Odds ratio (95 % CI)	p value	C-statistic
Age over 65	1.03 (0.36–2.96)	0.9553	0.504
Pre-existing CKD (yes vs. no)	0.65 (0.17–2.48)	0.5315	0.535
APACHE score >20	1.16 (0.13–10.27)	0.8961	0.504
Epinephrine dose >10 μg/min	5.81 (1.86–18.16)	0.0024	0.707
Norepinephrine dose >20 μg/min	11.04 (2.38–51.24)	0.0022	0.739
Sepsis (yes vs. no)	0.7 (0.24–1.98)	0.4953	0.544
Vasopressin (>0.02 μg/min)	3.99 (1.07–14.84)	0.0393	0.642
High pH (<7.2)	2.35 (0.76–7.19)	0.1366	0.6
Fraction of inspired oxygen (per 0.1 unit)	1.39 (1.09–1.77)	0.0081	0.708