2014-2018年南充市顺庆区人群HIV抗体检测结果分析

Analysis of HIV Antibody Test Results in Shunqing District of Nanchong City From 2014 to 2018

目的分析2014-2018年南充市顺庆区人群HIV抗体检测情况及阳性人群特点,为本地区针对性地开展艾滋病防控工作提供科学依据。方法收集国家艾滋病综合防治信息系统中2014-2018年南充市顺庆区HIV抗体检测数据,采用趋势χ^2检验分析HIV阳性率年度变化特点,以χ^2检验分析不同来源检测人群阳性率差异,以P<0.05为差异有统计学意义。结果 2014-2018年顺庆区开展HIV抗体检测共902 711人,确诊阳性1 287人,总体阳性率为1.43‰,2014-2018年期间检出阳性率呈逐年下降趋势(χ趋势2=129.561,P<0.001);不同来源样本中阳性者配偶/性伴、女性阳性者子女阳性率最高,为458.33‰,不同来源样本阳性率差异有统计学意义(χ^2=17 008.446,P<0.05)。1 287名确诊阳性者中男女性别比为3.12:1,≥50岁人群占53.61%,已婚有配偶占56.49%,异性传播占86.71%。结论顺庆区艾滋病疫情总体处于低流行状态,检出阳性率逐年降低,男性、高龄化、异性性传播为主要感染特征,建议持续加强重点人群的艾滋病防治力度,开展高危性行为针对性的干预性措施,有效遏制艾滋病在辖区的流行和蔓延。

Objective To analyze the results of HIV antibody test and the characteristics of the population with positive results of HIV detection in Shunqing district of Nanchong city from 2014 to 2018 so as to provide a scientific basis for the targeted AIDS prevention and control work in the region.Methods The data of HIV antibody test conducted in Shunqing District from 2014 to 2018 in the National Comprehensive AIDS Prevention and Control Information System were collected.Chi-square trend test was used to analyze the annual change characteristics of HIV positive rate,and Chi-square test was used to compared the positive rates of different test sources.Results A total of 902 711 HIV antibody tests were carried out in Shunqing District in 2014-2018.1 287 cases were confirmed positive with an overall positive rate of 1.43 per thousand.The positive rate show an declining trend during 2014-2018(χtrend2=129.561,P<0.001).The HIV antibody-positive rate was highest in the HIV-positive spouses/partners and female-positive children(458.33‰),and the difference in positive rates in the samples of different sources was statistically significant(χ^2=17 008.446,P <0.001).Among the 1 287 positive cases,the sex ratio was 3.12:1.53.61% of the positive cases aged 50-year-olds,56.49% were married,and 56.49% of the positive cases were heterosexual transmission.Conclusion The AIDS epidemic is generally in a low epidemic state in Shunqing district,and the positive rate decreased year by year in 2014-2018.Male,aging and heterosexual transmission were the main characteristics of the HIV infection.It is suggested to continuously strengthen the prevention and treatment of AIDS in key groups and to carry out targeted intervention measures towards high-risk sexual behaviors in order to effectively curb the epidemic and spread of AIDS in this area.