Table 2.

Diagnostic role of NLR by ROC curve analysis.

Model	Cut-Off	Sensibility	Specificity	AUC	p	PPV	NPV
NLR	7.97	64.26	80.16	0.74	<0.001	86.49	53.18
PLR	370.59	29.3	92.1	0.56	0.037	87.99	39.72
PCR	37.88	78.75	93.51	0.92	<0.0001	95.93	60.46
PCT	0.41	79.6	81.00	0.88	<0.001	89.26	60.67
MR-proADM	1.83	80.1	74.6	0.86	<0.0001	85.51	66.68
SIRS	≥2	67.3	89.7	0.57	<0.001	96.77	43.30
q-SOFA	≥2	51.4	99.2	0.87	<0.001	99.23	50.21
SOFA	≥2	69.7	71.4	0.77	<0.001	82.94	54.21

Area under the curve (AUC); positive predictive value (PPV); negative predictive value (NPV). NLR, neutrophil-to-lymphocyte; PLR, platelet-to-lymphocyte; PCR, C-reactive protein; PCT, procalcitonin; MR-proADM, mid-regional pro-adrenomedullin; SIRS, systemic inflammatory response syndrome; SOFA, sequential organ failure assessment.