Table 2.

Comparison of optimal threshold, discrimination ability and internal calibration of haematological biomarkers inflammation-based

	NLR	dRNL	PNI
AUC ROC curve	0.72	0.73	0.70
Threshold established according to the ROC curve in the training set	2.6	1.7	45
Harrel’s c index (c-index)	0.609	0.611	0.658
Akaike information criterion	142.61	125.93	121.88

AUC, area under the curve; NLR, neutrophil to lymphocyte ratio; PNI, Prognostic Nutritional Index; ROC, receiver operating characteristic; dRNL, derived neutrophil to lymphocyte ratio.