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| Analysis of the first measurement of CD4+T lymphocyte cell counts of newly reported HIV/AIDS cases in Taizhou City from 2012 to 2021 |
| WANG Tingting1, WANG Shanling1, LI Guixia2, CHANG Yue2
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1. Department of AIDS and STDS Control and Prevention, Taizhou Center for Disease Control and Prevention, Taizhou, Zhejiang 318000, China;
2. Taizhou Center for Disease Control and Prevention, Taizhou, Zhejiang 318000, China |
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Abstract Objective To investigate the level and timeliness of CD4+T lymphocyte cell (CD4 cell) counts at first measurement among newly reported HIV/AIDS cases in Taizhou City, Zhejiang Province from 2012 to 2021, so as to provide insights into improving the management of HIV/AIDS cases. Methods Demographic data and first measurement of CD4 cell counts of newly reported HIV/AIDS cases in Taizhou City from 2012 to 2021 were collected from the HIV/AIDS Comprehensive Control System of Chinese Disease Prevention and Control Information System. The level and time of CD4 cell counts at first measurement were descriptively analyzed, and factors affecting CD4 cell counts at first measurement were identified using a multivariable logistic regression model. Results A total of 4 834 newly reported HIV/AIDS cases were recorded in Taizhou City from 2012 to 2021, including 3 889 men (80.45%), 2 005 cases at ages of 20 to 39 years (41.48%), and 2 130 farmers (44.06%). There were 1 664 cases (34.42%) with CD4 cell counts of <200/mm3 at first detection, 2 576 (53.29%) with CD4 cell counts of 200/mm3 to 499/mm3, and 594 (12.29%) with CD4 cell counts of ≥500/mm3. The proportion of CD4 cell counts of <200/mm3 showed a tendency towards a rise from 2012 to 2021 (χ2trend =4.250, P<0.001). There were 3 465 cases (71.68%) that had an interval of ≤14 days between the first detection of CD4 cell counts and confirmatory HIV test, 740 (15.31%) that had an interval of >14 to 30 days, 315 (6.52%) that had an interval of >30 to 90 days, 135 (2.79%) that had an interval of >90 to 180 days, and 179 (3.70%) that had an interval of >180 days. The proportion of an interval of ≤14 days appeared a tendency towards a rise from 2012 to 2021 (χ2trend=6.874, P<0.001). Multivariable logistic regression analysis identified women (OR=0.630, 95%CI: 0.529-0.751), age of ≥20 years (OR: 1.958 to 3.218, 95%CI: 1.216-5.412), other or unknown routes of HIV infection (OR=1.785, 95%CI: 1.100-2.896), and identification by medical institutions (OR=1.779, 95%CI: 1.497-2.114) as factors affecting CD4 cell counts of <200/mm3 at first measurement. Conclusions The timely detection of CD4 cell counts at first measurement gradually increased with year among newly reported HIV/AIDS cases in Taizhou City from 2012 to 2021; however, there were still 34.42% of cases with CD4 cell counts of <200/mm3. Gender, age, route of HIV infection, and sample source were factors affecting CD4 cell counts of <200/mm3 at first measurement.
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Received: 08 February 2023
Revised: 21 May 2023
Published: 17 July 2023
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