Table 5. Potential interaction terms between among variables.

Interaction	Log-likelihood	P for interaction terms	Likelihood ratio test	P for likelihood ratio test
Main effects model	−30.743	-	-	-
Lln×gender	−30.159	0.261	1.17	0.2801
Lln×age	−30.265	0.350	0.96	0.3283
Lln×baseline Scr	−30.700	0.770	0.09	0.7706
Lln×fluid balance	−30.345	0.390	0.79	0.3728

Abbreviations: L_ln, log transformed normalized lactate load; Scr, serum creatinine.