Epidemiologic Trends of Sexually Transmitted Diseases in China

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Abstract
To describe the current epidemiology of sexually transmitted diseases (STDs), we analyzed the time trends in distribution of reported cases of STDs in China from 1989 to 1998. Based on the computerized database of the National System of STD Surveillance, a retrospective study of STD cases reported from 1989 to 1998 was carried out. From 1989 to 1998, STD incidence increased significantly in men and women and demonstrated nonlinear growth trends, with the exception of gonorrhea incidence. Between 1990 and 1998, the incidence increased more in females (4.20 times) than that in males (3.79 times). Syphilis incidence increased approximately 20 times during this period at an average annual rate of 52.7%. Gonorrhea incidence increased 2.6 times during this period at an average annual rate of 11.4%, which reached a plateau from 1994 to 1997. Extramarital transmission as source of STD infection has significantly increased from 1995 to 1998. The incidence of STDs has continued to increase in China from 1989 to 1998. The epidemic patterns are different from rates in developed counties in which behavior interventions have been successfully implemented, suggesting the need for active behavioral-intervention programs in China.