Table 3. Analysis of AKI with univariate and multivariate logistic regression models (n = 222).

	B	SE	Exp (B)	P
Univariate
Time to hospital arrival (hours)	0.019	0.008	1.019 (1.004–1.035)	0.015*
SIPP score (hours/mg/L)	0.722	0.302	2.058 (1.140–3.717)	0.017*
Acute hepatitis	1.740	0.322	5.697 (3.033–10.699)	< 0.001***
PaO2 at admission (mmHg)	0.020	0.008	1.020 (1.003–1.037)	0.018*
Nadir PaO2(mmHg)	-0.017	0.006	0.983 (0.971–0.996)	0.008**
Nadir PaCO2(mmHg)	-0.066	0.018	0.936 (0.904–0.969)	< 0.001***
Nadir HCO3(mmHg)	-0.065	0.023	0.937 (0.896–0.979)	0.004**
Nadir AaDO2(mmHg)	0.024	0.006	1.025 (1.013–1.037)	< 0.001***
Acute lung injury	0.881	0.301	2.414 (1.337–4.356)	0.003**
Multivariate
Acute hepatitis	2.230	0.414	9.301 (4.835–25.462)	< 0.001***
Time to hospital arrival (hours)	0.045	0.010	1.046 (1.030–1.074)	<0.001***
SIPP score (hours/mg/L)	0.958	0.429	2.606 (1.066–6.010)	0.026*
PaO2 at admission (mmHg)	0.027	0.011	1.027 (1.008–1.053)	0.014*

Note: *P < 0.05, **P < 0.01, B beta coefficient or regression coefficient, Exp (B) exponential B or odds ratio, AKI acute kidney injury, ARDS acute respiratory distress syndrome, AaDO₂ alveolar-arterial oxygen gradient, ALT alanine aminotransferase, AST aspartate aminotransferase, HCO₃ bicarbonate, PaO₂ partial pressure of arterial oxygen, PaCO₂ partial pressure of arterial carbon dioxide, SE standard error, SOFA sequential organ failure assessment, SIPP severity index of paraquat poisoning.