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Procalcitonin and C-Reactive Protein in the Diagnosis and Prediction of Spontaneous Bacterial Peritonitis Associated With Chronic Severe Hepatitis B

Authors
Journal
Annals of Laboratory Medicine
2234-3806
Publisher
Korean Society for Laboratory Medicine (KAMJE)
Publication Date
Volume
33
Issue
6
Identifiers
DOI: 10.3343/alm.2013.33.6.449
Keywords
  • Original Article
  • General Laboratory Medicine
Disciplines
  • Biology
  • Medicine

Abstract

Background Procalcitonin (PCT), C-reactive protein (CRP), and white blood cells (WBCs) are inflammatory markers used to diagnose severe bacterial infections. We evaluated the diagnostic role of these markers and compared their accuracy for spontaneous bacterial peritonitis (SBP) associated with chronic severe hepatitis B (CSHB). Methods PCT and CRP concentrations, WBC count, and other hematological parameters were measured in serum from 84 well-characterized patients with CSHB, of whom 42 had SBP. Receiver operating characteristics (ROC) curve analysis was performed to assess the diagnostic accuracy. Results PCT and CRP concentrations were significantly higher in the CSHB patients with SBP (n=42) than CSHB patients without SBP (n=42). PCT and CRP concentrations were more accurate than WBC count for the diagnosis of CSHB-associated SBP. The optimal cutoff value of PCT was 0.48 ng/mL. The PCT concentration was significantly correlated with the CRP concentration and WBC count. Conclusions Serum PCT and CRP seems to be better markers than WBC for the diagnosis of CSHB patients with SBP.

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