2002～2018年无锡市梁溪区艾滋病流行特征分析

Analysis on epidemiological characteristics of AIDS, Liangxi district,Wuxi city,2002-2018

目的了解无锡市梁溪区艾滋病疫情流行特征,为制定防控措施提供依据。方法采用Excel数据库和SPSS 19.0分析2002～2018年疫情流行特征。结果 2002～2018年梁溪区新报告现住址HIV/AIDS病例767例,报告发病率呈上升趋势(χ~2_(趋势)=560.44,P<0.01)。男女性别比为11.57∶1。40岁以下青壮年为主要感染对象(占59.58%),50岁以上发病比例逐年增加。传播途径以性传播(98.69%)为主,其中男同同性传播占64.67%。医疗机构(占64.67%)与检测咨询(20.47%)为主要样本来源。767例研究对象中,晚发现286例,晚发现率为37.29%。Logistic回归分析结果显示,40～49(OR=3.639,95%CI:1.071～12.366)、50～岁组(OR=3.770,95%CI:1.106～12.850)相对于20岁以下是晚发现的危险因素;异性传播病例晚发现风险高于男同同性传播(OR=1.656,95%CI:1.153～2.377);医疗机构报告病例晚发现率高于检测咨询(OR=1.627,95%CI:1.070～2.474)。结论无锡市梁溪区艾滋病疫情呈上升趋势,男同同性传播比例增加明显。晚发现率较高。

Objective To understand the epidemiological characteristics of HIV/AIDS in Liangxi district,Wuxi city during 2002-2018,so as to provide the basis for developing prevention and control measures.Methods The HIV/AIDS epidemic situation during 2002-2018 was analyzed by Excel database and SPSS 19.0.Results A total of 767 newly identified HIV/AIDS cases were reported in Liangxi district from 2002 to 2018,and the incidence was on the rise(χ~2=560.44,P<0.01).The male/female ratio was 11.57:1.Young and post adolescent males under 40 years old was the main target of HIV/AIDS infection(59.70%),and the cases aged over 50 years were increasing annually.The main route of transmission was sexual contact(97.70%),among which male homosexuals transmission accounted for 64.67%.The patients were mainly found from medical institutions(64.67%)and voluntary counseling/testing(20.47%).Among the 767 reported subjects,286 were late diagnosis cases,with the rate of 36.34%.Multiple logistic regression analysis indicated that comparing to the cases aged 20 and below,the age group of 40-49 years(OR=3.639,95%CI:1.071-12.366)and 50 years and above(OR=3.770,95%CI:1.106-12.850)were the risk factors of late diagnosis.Heterosexual transmission cases had a higher risk of late detection than male homosexual transmission cases(OR=1.656,95%CI:1.153-2.377);The late detection percentage of HIV/AIDS cases reported by medical institutions was higher than that of those reported by voluntary counseling/testing(OR=1.627,95%CI:1.070-2.474).Conclusion The epidemic of HIV/AIDS is on a rising trend in Liangxi district,Wuxi city,the percentage of male homosexual transmission has risen obviously.The late detection rate is relatively high.