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  • Title: Performance of risk estimation for hepatocellular carcinoma in chronic hepatitis B (REACH-B) score in classifying treatment eligibility under 2012 Asian Pacific Association for the Study of the Liver (APASL) guideline for chronic hepatitis B patients.
    Author: Chen TM, Chang CC, Huang PT, Wen CF, Lin CC.
    Journal: Aliment Pharmacol Ther; 2013 Jan; 37(2):243-51. PubMed ID: 23171385.
    Abstract:
    BACKGROUND: REACH-B [Risk Estimation for Hepatocellular Carcinoma (HCC) in Chronic Hepatitis B] scoring system was developed to predict the risk of HCC in noncirrhotic chronic hepatitis B (CHB) patients. AIM: To evaluate the discriminatory performance of REACH-B scoring system in classifying anti-viral treatment eligibility of CHB patients according to the 2012 Asian Pacific Association for the Study of the Liver (APASL) treatment guideline. METHODS: A total of 904 noncirrhotic CHB were enrolled. Patients' age, gender, liver biochemistry, HBeAg status and HBV DNA levels were recorded. RESULTS: The minimum REACH-B risk score for patients to be eligible for anti-viral treatment was 7 for HBeAg-positive and 6 for HBeAg-negative patients. Among them, increasing REACH-B score was not significantly associated with eligibility for treatment [adjusted odds ratio (OR): 1.210, 95% confidence interval (CI): 0.979-1.494, P = 0.078] in HBeAg-positive patients, as shown by logistic regression analysis after adjusting for gender. In HBeAg-negative patients, REACH-B score significantly predicted the treatment eligibility (adjusted OR: 1.783, 95% CI: 1.607-1.979, P < 0.001). Discriminatory ability of REACH-B score to classify eligibility was poor for HBeAg-positive patients ≥40 years [area under receiver operating characteristic (AUC): 0.664, 95% CI: 0.533-0.795], but good/excellent for HBeAg-positive patients <40 years (AUC: 0.903; 95% CI: 0.841-0.964), HBeAg-negative patients ≥45 years (AUC: 0.883; 95% CI: 0.848-0.917) and HBeAg-negative patients <45 years (AUC: 0.907; 95% CI: 0.874-0.940). CONCLUSION: The discriminatory performance of the REACH-B scoring system in classifying anti-viral treatment eligibility based on the 2012 APASL guideline was good/excellent, except for ≥40 years old HBeAg-positive patients.
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