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

Table 5

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

Parameter	Area under the curve	Best cutoff value	Sensitivity	Specificity	Youden index	95% CI	value
PCT	0.793	3.67	0.942	0.523	0.502	0.861~0.967	0.000
NT-proBNP	0.849	285	0.897	0.661	0.629	0.907~0.994	0.003
WBC	0.722	19	0.883	0.514	0.556	0.782~0.938	0.014
CRP	0.698	72	0.905	0.679	0.611	0.707~0.929	0.009
PCT + NT-proBNP	0.981		0.812	0.857	0.753	0.853~0.908	0.000