Detection of HIV/AIDS cases in medical institutions in Tianjin Municipality from 2005 to 2021
BAI Jianyun1,2, ZHAO Fangning1, HOU Jinyu1, GUO Yan1, ZHENG Minna1,2, LI Long1,2, YU Maohe1,2
1. Department of HIV/AIDS and STDs Control and Prevention, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China; 2. Tianjin Key Laboratory of Pathogenic Microbiology of Infectious Disease, Tianjin 300011, China
Abstract：Objective To investigate the detection of HIV/AIDS cases in medical institutions in Tianjin Municipality from 2005 to 2021, so as to provide insights into optimization of HIV antibody testing strategies in medical institutions. Methods All data pertaining to individuals receiving HIV antibody tests in medical institutions in Tianjin Municipality from 2005 to 2021 were collected from the information systems in medical institutions and the HIV/AIDS Prevention and Control Information System of Chinese Disease Prevention and Control Information System. The positive rate of HIV antibody and epidemiological characteristics of HIV/AIDS cases in medical institutions were analyzed. Results The number of HIV antibody tests increased from 86 102 person-times in 2005 to 1 369 345 person-times in 2021 in medical institutions in Tianjin Municipality, with annual increase by 18.88%. The positive rate of HIV antibody increased from 2.44/104 to 2.85/104 (P<0.05), with annual increase by 2.79/104. Both the proportion of the number of HIV antibody tests and the number of HIV/AIDS cases detected by medical institutions in the whole city appeared a tendency towards a rise (P<0.05). A high positive rate of HIV antibody was seen in sexually transmitted disease clinics (53.69/104) and other testing services (12.25/104), and the highest positive rate of HIV antibody was seen in individuals at ages of 20 to 39 years (5.40/104), while the positive rate of HIV antibody was higher in men (5.84/104) than in women (0.53/104) (P<0.05). A total of 3 610 HIV/AIDS cases were detected in medical institutions in Tianjin Municipality from 2005 to 2021, with a median age of 38 (interquartile range, 24) years. Of all HIV/AIDS patients, there were 3 277 men (90.78%), and men who have sex with men was the predominant transmission route (63.46%), while the proportion of late identification of HIV/AIDS cases was 65.60%. In addition, the proportion of timely detection for the first CD4+T lymphocyte count testing increased from 23.81% in 2005 to 71.54% in 2021 (P<0.05). Conclusions The number of HIV antibody tests and positive rate of HIV antibody appeared a tendency towards a rise in medical institutions in Tianjin Municipality from 2005 to 2021. The HIV/AIDS cases were predominantly identified in sexually transmitted disease clinics and other testing services, and were predominantly men.
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