Epidemiological analysis of syphilis from 2005 to 2016 in Minhang District of Shanghai / 复旦学报（医学版）

ABSTRACT

Objective To understand the trends and epidemiological characteristics of syphilis in Minhang District of Shanghai,so as to provide scientific basis for making control strategies.Methods The data of reported cases of syphilis in Minhang District from 2005 to 2016 were analyzed with epidemiological methods.Results Overall 11 394 cases of syphilis were reported from 2005 to 2016,the incidence was 42.9 per 100 000 person-year.The incidences of Phase Ⅰ,Phase Ⅱ,Phase Ⅲ,genital and latent syphilis were 10.3,13.4,0.3,2.3 and 16.6 per 100 000 person-year,respectively.In 2009,the incidence reached 59.1 per 100 000 person-year and reach peak.The cases were constituted by local residents (62.4％) and residents from other provinces (37.6％),male patients predominated with male/female ratio of 1.1∶1.Most cases were aged from 25 to 54 years old(61.1 ％),and those people older than 54 years were more and more likely to be found infected.Local residents predominated by those who aged 25-64 years (74.2％) and other province predominated by 15-44 years (79.1％),the ratios of male/female were 1.3 ∶ 1 and 0.8 ∶ 1.Female were much younger than male,there were 50.0％ of female and 29.3％ of male who were aged between 15-34 years old.Latent syphilis was mostly reported in local male residents who were older than 55 years,female who were 25-54 years and other provinces' female aged 15-44.Phase Ⅰ and Ⅱ syphilis were mostly reported in local male residents less than 55 years old and other provinces' male less than 65 years old.There were significant difference between residence,sex,age and different kinds of syphilis with P＜0.001.Conclusions The trends of syphilis incidence was increasing before 2009 in Minhang District and then declining and slowing down in recent years.The measure of reinforcing monitor,propaganda and education,active screening syphilis in female and local old man should be taken to control and prevent the spread of syphilis.