OBJECTIVE:Detecting significant fibrosis and cirrhosis remains important in treatment and follow-up of patients with chronic hepatitis C Infection (CHC). The aim of this study was to assess the ability of PRO-C3 to identify significant fibrosis (Ishak score ≥3) and cirrhosis (Ishak score ≥5) both as a single test and as a part of algorithms.

MATERIALS AND METHODS:PRO-C3 was assessed in baseline samples from the NORDynamIC trial. 270 patients were stratified into groups according to baseline biopsy. Baseline APRI, FIB-4 and GUCI scores were available for comparison in 232 patients.

RESULTS:PRO-C3 increased with Ishak scores (p = .001). Area under the curve (AUC) for significant fibrosis was 0.75 (95% CI 0.68-0.81) and 0.76 (95% CI 0.68-0.84) for cirrhosis. FIB-4, APRI and GUCI had similar AUCs. In a PRO-C3 algorithm including age, platelet count, body mass index (BMI) and international normalised ratio (INR), the diagnostic efficacy improved to 0.85 (CI 0.80-0.89) and 0.90 (IQR 0.84-0.96) for significant fibrosis and cirrhosis, respectively.

CONCLUSIONS:In our study, PRO-C3 was an independent predictor of fibrosis stage, and may play an important role in managing CHC patients.

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