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Table 3 The predictivity of the laboratory parameters for severe bacterial infection

From: Clinical utility of procalcitonin in febrile infants younger than 3 months of age visiting a pediatric emergency room: a retrospective single-center study

 

Sensitivity

Specificity

PPV

NPV

WBC (≤5000 or ≥ 15,000/μL)

45.9

69.1

26.2

84.3

CRP (≥2.0 mg/dL)

49.2

89.5

52.6

88.1

Procalcitonin (≥0.3 ng/mL)

54.1

87.5

50.8

88.9

  1. Abbreviations: WBC white blood cell, CRP C-reactive protein, PPV positive predictive value, NPV negative predictive value
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BMC Pediatrics

ISSN: 1471-2431

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