Neutrophil-Lymphocyte Ratio in Predicting Infective Endocarditis: A Case-Control Retrospective Study

Table 3

The ROC and AUC data of NLR in predicting IE with different culture results.

NLR	AUC	SD	value	95% CI		Cut-off	Sensitivity	Specificity	1-specificity
				Lower	Upper
Culture positive vs. normal	0.888	0.017	<0.001	0.855	0.92	3.040	0.796	0.929	0.071
Culture negative vs. normal	0.782	0.105	<0.001	0.753	0.811	2.675	0.621	0.881	0.119
Gram-negative bacteria	0.822	0.077	<0.001	0.672	0.973	3.035	0.750	0.929	0.071
Gram-positive bacteria	0.913	0.015	<0.001	0.882	0.943	3.055	0.824	0.931	0.069
Fungus	0.625	0.107	0.096	0.416	0.834	3.910	0.467	0.974	0.026

ROC: receiver operating characteristic; CI: confidence intervals; SD: standard deviation; AUC: the area under the ROC curve.