Roles of Procalcitonin and N-Terminal Pro-B-Type Natriuretic Peptide in Predicting Catheter-Related Bloodstream Infection in Severe Burn Injury Patients

Table 4

ROC curve analysis of PCT, NT-proBNP, WBC, and CRP during the first week.

Parameter	Area under the curve	Best cutoff value	Sensitivity	Specificity	Youden index	95% CI	value
PCT (ng/ml)	0.856	2.98	0.909	0.583	0.492	0.743~0.970	0.000
NT-proBNP (pg/ml)	0.963	355	1.000	0.625	0.625	0.918~1.00	0.000
WBC	0.514	12	0.682	0.583	0.265	0.342~0.687	0.088
CRP (mg/ml)	0.190	55	0.545	0.833	0.378	0.062~0.319	0.065