772例50岁及以上老年人HIV-1抗体阳性样本特征分析

Characteristics of 772 HIV-1 antibody-positive cases among people aged 50 or above

目的了解红河州50岁及以上HIV-1抗体阳性样本的基本特征,为今后开展针对此类人群的防治措施提供科学依据。方法回顾分析红河州2008年至2010年,50岁及以上老年人HIV-1抗体阳性样本的流行病学资料,并进行统计分析。结果三年间老年阳性样本占总阳性样本比例的年平均增长率为21.94%;病例地区分布与总阳性样本分布基本一致;年龄最大为89岁,以男性为主占74.09%(572/772);初中及以下文化程度占88.21%(681/772);农民、离退休人员、家政、家务及待业、工人占89.38%(690/772)。通过自愿咨询检测、其他就诊者检测及阳性者配偶或性伴检测发现的感染者比例高于总阳性样本。经性传播感染比例显著高于总阳性样本。结论艾滋病对50岁及以上老年人群的影响已不容忽视,应加强对此群体的行为干预。

Objective To understand basic characteristic of HIV-1 antibody-positive samples taken from people aged over 50 in Honghe prefecture, and provide scientific basis for prevention and control measures among this population group. Methods The epidemiological data of HIV-1 antibody-positive cases among people aged over 50 in Honghe prefecture from 2008 to 2010 were reviewed and analyzed. Results In the past three years, average annual growth rate of positive cases among elderly people was 21.94%. Geographical distribution of HIV positive cases among elderly people was basically consistent with that of total positive samples. The oldest people was aged 89 years, with males accounting for 74. 09% （572/772） those below junior middle schooling accounted for 88. 21% （681/772）, as to the occupational distribution, farmers, retired persons, household managers and house-service workers, the unemployed and workers accounted for 89.38（690/772）. The proportion of HIV positive cases among visitors to VCT clinics or other clinics and their spouses or sex partners was higher than the proportion of overall positive samples. The proportion of sexually transmitted infections was significantly higher than that of the total positive samples. Conclusion The effect of HIV/AIDS on the people aged 50 years and older could not be ignored, and interventions for the behavior of this population group should be strengthened.