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总结１６０例６０岁以上老年性病毒性肝炎的病毒类型，并与１００例２０～３５岁年龄组肝炎进行对照。近年老年性肝炎组有以下特点：①仍以乙型肝炎为主（占３３．８％）；丙型及戊型肝炎各占２３．２％及１６．３％，较青年组多见；②重叠肝炎病毒感染多（２８／１６０例，占１７．５％），占老年组重症肝炎３２．１％。重叠感染中慢性肝炎基础以乙型肝炎为主，丙型肝炎少见，重叠感染中急性肝炎以戊型及丙型多见；③临床类型以急性肝炎、慢性重症肝炎、肝炎肝硬化多见；急性肝炎中以戊型肝炎为主，而慢性重症肝炎、肝炎肝硬化以乙型肝炎为主。④丙型肝炎中８６．４％及重叠感染中４２．９％有输血制品或（和）手术史。
The type of virus in 160 cases of senile viral hepatitis over 60 years old was summarized and compared with 100 cases of hepatitis in 20-35 age group. In recent years, the group of senile hepatitis has the following characteristics: (1) hepatitis B still predominates (33.8%); hepatitis C and hepatitis E account for 23.2% and 16.3% respectively, more common in young patients; Overweight hepatitis virus infection (28/160 cases, accounting for 17.5%), accounting for 32.1% of the elderly severe hepatitis. Overlap infection based on chronic hepatitis B mainly hepatitis B, hepatitis C rare, overlapping infections in acute hepatitis E and C more common; ③ clinical type of acute hepatitis, chronic severe hepatitis, liver cirrhosis more common; acute Hepatitis in the hepatitis E-based, and chronic severe hepatitis, hepatitis, cirrhosis of the hepatitis B-based. (4) 86.4% of hepatitis C patients and 42.9% of overlapping infections had blood transfusion products or (and) surgical history.