Table 3.

Discriminative capacity of NAR and other inflammatory biomarkers to predict long-term mortality

Biomarkers	C-index (95% CI)	P value	cNRI (95% CI)	P value	IDI (95% CI)	P value
NAR vs. PAR	0.68 (0.66–0.70) vs. 0.50 (0.47–0.53)	< 0.001	0.06 (0.04–0.09)	< 0.001	0.04 (0.03–0.05)	< 0.001
NAR vs. NLR	0.68 (0.66–0.70) vs. 0.65 (0.63–0.68)	0.004	0.07 (0.04–0.09)	< 0.001	0.04 (0.02–0.05)	< 0.001
NAR vs. PLR	0.68 (0.66–0.70) vs. 0.55 (0.53–0.58)	< 0.001	0.07 (0.05–0.09)	< 0.001	0.05 (0.04–0.06)	< 0.001
NAR vs. MLR	0.68 (0.66–0.70) vs. 0.64 (0.62–0.67)	0.014	0.07 (0.05–0.09)	< 0.001	0.07 (0.05–0.08)	< 0.001
NAR vs. SII	0.68 (0.66–0.70) vs. 0.64 (0.61–0.66)	< 0.001	0.07 (0.05–0.09)	< 0.001	0.08 (0.06–0.09)	< 0.001

NAR, neutrophil-to-albumin ratio; PAR, platelet-to-albumin ratio; NLR, neutrophil-to-lymphocyte ratio; PLR, platelet-to-lymphocyte ratio; MLR, monocyte-to-lymphocyte ratio; SII, systemic immune inflammation index; cNRI, categorical net reclassification improvement; IDI, integrated discrimination improvement; CI, confidence interval