文献报道,50％以上非甲非乙型肝炎患者转为慢性,慢性者中20％以上发展成肝硬化。对象和方法:患者系1971～1989年间经病理组织学确诊的非甲非乙型肝炎患者127例,血清学检查排除了甲、乙型肝炎、CM或EB病毒感染、自身免疫或代谢性疾病。127例中因输血或血制品感染者39例;静脉药瘾 Reported in the literature, more than 50% of non-A non-B hepatitis patients to chronic, chronic, more than 20% of patients developed cirrhosis. Subjects and Methods: The patients were diagnosed histopathologically from 127 cases of non-A, non-B hepatitis from 1971 to 1989. Serological examination excluded A, B, CM or Epstein-Barr virus infection, autoimmune or metabolic diseases. 127 cases of blood transfusion or blood products in 39 cases; intravenous drug addiction