17 Prognosis of CH associates closely with virus-type Dr Scheuer in 1994: made a scoring system with virus-type HBV HCV -CH-GNSN e. g: HBV-CH-G2SI CH: simplified express of Chronic Hepatitis G: Grade of inflammation S: Stage of fibrosis N: shows extent of inflammation or fibrosis, expressed from 0 to 4 In China,80%CH--HBⅤ In Western country and Japan, most CH ----HCV ** HAV and hEV: not cause chronic hepatitisDr. Scheuer in 1994 : made a scoring system with virus-type HBV HCV -CH – GNSN e.g: HBV-CH-G2S1 CH: simplified express of Chronic Hepatitis G: Grade of inflammation S: Stage of fibrosis N: shows extent of inflammation or fibrosis, expressed from 0 to 4 …… In China, 80% CH----HBV In Western country and Japan, most CH ----HCV **HAV and HEV: not cause chronic hepatitis Prognosis of CH associates closely with virus-type 17