对我院1989年1月至12月共收治散发性非甲非乙型肝炎130例加以分析。男女比例为1.83:1。平均年龄39.3岁,发病以成年为多。有输血制品史60例占46.2％,潜伏期平均6.7周。病程最短21天,最长超过1年以上仍迁延不愈。谷丙转氨酶升高持续6周以上者70例占53.8％,病程超过3个月以上仍迁延不愈者32例占24.6％。死亡1例占0.77％。本文资料提示非甲非乙型肝炎有慢性化趋势。 A total of 130 cases of sporadic non-A, non-B hepatitis treated in our hospital from January to December 1989 were analyzed. The ratio of male to female is 1.83: 1. The average age of 39.3 years old, the incidence of adulthood. A history of 60 cases of blood transfusions accounted for 46.2%, the average incubation period of 6.7 weeks. The shortest duration of 21 days, the longest more than 1 year still delayed healing. Amyotropin-aminotransferase increased for 6 weeks or more in 70 cases accounted for 53.8%, duration of more than 3 months or more still untwering 32 cases accounted for 24.6%. 1 case died of 0.77%. The data suggest that non-A non-B chronic hepatitis.