Table 8.

Results of ROC curve

Index	Cutoff value	AUC	95% CI	Sensitivity	Specificity	Positive predictive value	Negative predictive value	P
PCT (μg/L)	1.817	0.878	0.811, 0.946	0.732	0.881	0.666	0.910	<0.001
CRP (mg/L)	18.292	0.850	0.780, 0.921	0.659	0.921	0.730	0.893	<0.001
EOS (%)	2.963	0.780	0.698, 0.862	0.659	0.786	0.500	0.877	<0.001

Note: EOS: eosinophil; PCT: procalcitonin; CRP: C-reactive protein.