KRT18 and fatty liver disease: We proposed the cut-off values for fragmented CK-18 and CAP in moderate and severe liver steatosis; fragmented CK-18 for S≥2 and S≥3 were 194U/L and 345U/L, respectively; CAP for S≥2 and S≥3 were 263dB/m and 319dB/m, rspectively.