Table 5.

Net reclassification improvement and integrated reclassification improvement

	AUC	p value	NRI	p value	IDI	p value
Established risk factors	0.76		reference		reference
+ Lactate clearance	0.82	0.23	0.64	< 0.01	0.121	< 0.01

Established risk factors were consisted age, sex, initial rhythm, in-/out-hospital CPA, pH, and CRP duration