云南省德宏州2007—2009年自愿咨询检测人群HIV新近感染比例及其影响因素

The Proportion and Influencing Factors of Recent HIV Infection Among People Receiving Voluntary Counseling and Testing from 2007 to 2009 in Dehong Prefecture, Yunnan Province

目的了解云南省德宏州2007—2009年自愿咨询检测(VCT)人群HIV新近感染情况及其相关因素。方法对德宏州2007—2009年全部VCT人群中新报告HIV感染者的血清样本采用BEDHIV-1发病率捕获酶联法(BED-CEIA)进行检测,以确定新近感染比例。结果 2007—2009年德宏州VCT人群HIV感染率为12.6%(1091/8674),HIV感染者中有80.7%(880人)属新检测发现,其中13.8%(120/871)BED-CEIA检测为阳性,确定为新近感染。新检测发现的HIV感染者中经BED-CEIA检测确定属新近感染的比例2007年为15.2%,2008年为12.3%,2009年为14.1%,19岁及以下组与20～29岁组高于40岁及以上组;本地户籍者高于缅甸籍者;汉族高于景颇族。结论德宏州2007—2009年VCT人群HIV感染率高,新检测发现的HIV感染者中新近感染的比例波动不大,低年龄、本地户籍者及汉族感染者中新近感染比例较高。

OBJECTIVES To examine proportion and correlates of recent HIV infection among newly reported HIV/AIDS cases among people receiving voluntary counseling and testing（VCT）form 2007--2009 in Dehong Prefecture, Yunnan Province. METHODS Newly identified HIV/AIDS cases among VCT attendants during 2007--2009 in Dehong Prefecture were tested using the BED HIV-1 incidence capture enzyme immunoassay（BED-CEIA）. Correlates of recent HIV infections were also examined. RESULTS Among the total of 8 674 VCT attendants, 12.6%（1 091/8 674）were HIV positive. Among them, 80.7%（880 persons）were of newly identified. Among 871 newly identified HIV cases, 13.8%（120/871）were tested by BED-CEIA to be recent HIV infections. The proportion of recent HIV infection among newly identified HIV cases was 15.2% in 2007, 12.3% in 2008 and 14.1% in 2009, respectively, and was higher among those aged less than 19 years or 20-29 years than those aged more than 40 years, among local residents than Burmese, and among Hans than Jingpo minorities, according to a multiple logistic regression analysis. CONCLUSIONS HIV prevalence was high among VCT attendants in Dehong Prefecture in 2007--2009, but the proportion of recent HIV infection among newly identified HIV case was relatively stable with higher proportion observed among youngers, Hans and local residents.