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Table 4 Performance of CRP, PCT, and nCD64 index for diagnosis of infection in patients who had post-surgical fever (n = 134)

From: Neutrophil CD64 index for diagnosis of infectious disease in the pediatric ICU: a single-center prospective study

Biomarker

Cut-off

Sensitivity

Specificity

PPV

NPV

PLR

NLR

Accuracy

AUC (95%CI)

CRP

30 mg/L

27%

93%

0.67

0.72

3.8

0.78

71%

0.641 (0.537–0.744)

PCT

0.5 ng/mL

25%

98%

0.85

0.72

12.5

0.77

73%

0.649 (0.546–0.752)

nCD64 index

0.14

56%

90%

0.73

0.81

5.6

0.49

79%

0.722 (0.621–0.823)

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BMC Pediatrics

ISSN: 1471-2431

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