KRT18 and metabolic dysfunction-associated steatohepatitis: Liang et al. (25) showed that cytokeratin 18(CK-18) fragment M30 has reference significance for identifying the NASH-related inflammation of CHB concurrent with NAFLD, and proposed a regression equation, including CK-18 M30, CAP, FBG, and HBV DNA levels, to predict NASH accurately.