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  • Title: The gamma-glutamyl transpeptidase to platelet ratio predicts liver inflammation in chronic hepatitis B with normal or mildly elevated alanine transaminase.
    Author: Wang J, Xia J, Yan X, Yang Y, Wei J, Xiong Y, Wu W, Liu Y, Chen Y, Jia B, Chen Z, Zhang Z, Ding W, Huang R, Wu C.
    Journal: Clin Res Hepatol Gastroenterol; 2020 Nov; 44(6):913-922. PubMed ID: 32147439.
    Abstract:
    BACKGROUND: The gamma-glutamyl transpeptidase (GGT) to platelet ratio (GPR) was proposed as a novel index for predicting liver inflammation in chronic hepatitis B (CHB) patients. We aimed to investigate GPR for predicting significant liver inflammation in CHB patients with normal (≤1×upper limit of normal, ULN) or mildly elevated (≤2×ULN) alanine transaminase (ALT). METHODS AND METHODS: 431 treatment-naïve CHB patients with normal or mildly elevated ALT who underwent liver biopsy were enrolled. Comparision of GPR and other parameters for significant liver inflammation (G≥3). RESULTS: For patients with ALT≤2×ULN, the receiver-operating characteristic curves (AUROCs) of GPR in predicting significant liver inflammation were 0.837 (95%CI 0.796 to 0.878), 0.860 (95%CI 0.809 to 0.910) and 0.809 (95%CI 0.739 to 0.878) in the entire patients, HBeAg positive and HBeAg negative CHB patients, respectively. The diagnostic performance of GPR was higher than ALT (P<0.001, P<0.001, respectively), aspartate transaminase (AST) (P=0.001, P=0.003, respectively) and GGT (P=0.002, P=0.002, respectively) in the entire and HBeAg positive patients, but was comparable with AST (P=0.096) and GGT (P=0.273) in the HBeAg negative CHB patients. For patients with ALT≤1×ULN, the diagnostic accuracy of GPR was significantly higher than ALT, AST and GGT in the entire (P<0.001, P=0.008 and P=0.043, respectively) and HBeAg positive CHB patients (P<0.001, P=0.009 and P=0.024, respectively), while was comparable to AST (P=0.209) and GGT(P=0.555) in the HBeAg negative CHB patients. CONCLUSION: GPR has a better diagnostic value than conventional parameters to predict significant liver inflammation in CHB patients with normal or mildly elevated ALT levels, especially for HBeAg positive CHB.
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