Table 3.

Effect of different lactate level at baseline on the predictive value for mortality rate

Variables	Lactate clearance at 24 h	Lactate level at baseline	APACHEII score
lactate level baseline(≥ 2.1 mmol/l) AUC (95%CI)	0.620(0.556, 0.685)	0.734(0.671, 0.797)	0.838(0.791, 0.884)
Cutoff value (sensitivity, specificity)	0.366(0.493, 0.713)	3.800(0.798, 0.621)	14.500(0.810, 0.759)
baseline(≥ 4 mmol/l) AUC (95%CI)	0.734(0.651, 0.816)	0.707(0.627, 0.787)	0.809(0.753, 0.865)
Cutoff value (sensitivity, specificity)	0.366(0.820, 0.620)	5.750(0.700, 0.600)	15.500(0.700, 0.820)
baseline(≥ 10mmo/l) AUC (95%CI)	0.742(0.522, 0.962)	0.663(0.470, 0.908)	0.658(0.421, 0.896)
Cutoff value (sensitivity, specificity)	0.267(1.000, 0.583)	13.400(0.800, 0.667)	16.500(0.500, 0.833)