Research Article

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

Table 2

The ROC and AUC data of NLR, NEU, and LYM in predicting the occurrence and outcome of IE patients.

GroupsMarkersAUCSD value95% CICut-offSensitivitySpecificity1-specificity
LowerUpper

Total IE vs. normalNLR0.8170.012<0.0010.7940.8392.6810.6900.8800.120
NEU0.660.015<0.0010.6310.6896.4250.4760.9760.024
LYM0.270.012<0.0010.2470.2935.1070.0190.9880.012
Outcome good vs. badNLR0.6470.027<0.0010.5940.7015.5570.3900.8530.147
NEU0.6250.028<0.0010.5700.6818.0950.5250.7210.279
LYM0.4490.0290.060.3910.5064.3150.0570.9740.026

NLR: neutrophil-lymphocyte ratio; NEU: neutrophils; LYM: lymphocytes; AUC: the area under the ROC curve; SD: standard deviation; IE: infective endocarditis.