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. 2012 Jun;3(2):100-6.
doi: 10.1016/j.phrp.2012.04.002.

Epidemiological and Immunological Characteristics at the Time of HIV Diagnosis for HIV/AIDS Cohort Registrants Representative of HIV-Infected Populations in Korea

Jin-Hee Lee  1 , Seung Hyun Kim, Jin-Sook Wang, Kyoung Mi Sung, Sung Soon Kim, Mee-Kyung Kee
Affiliations

Epidemiological and Immunological Characteristics at the Time of HIV Diagnosis for HIV/AIDS Cohort Registrants Representative of HIV-Infected Populations in Korea

Jin-Hee Lee et al. Osong Public Health Res Perspect. 2012 Jun.

Abstract

Objectives: The Korea HIV/AIDS cohort was constructed with 18 hospitals that care for HIV-infected individuals in 2006. We compared the epidemiological and immunological characteristics of the cohort registrants with those of the HIVinfected population at the time of HIV diagnosis.

Methods: This study was conducted on 5717 people living with HIV/AIDS from 1985 to 2009, of which 789 individuals registered with the Korea HIV/AIDS cohort study. Individuals who had data from initial CD4+ T-cell counts measured within 6 months following HIV diagnosis were selected as study participants to predict the status of disease progression at the time of HIV diagnosis. A total of 2886 patients (50%) were selected from people living with HIV/AIDS, of whom 424 individuals (54%) were cohort registrants. The χ(2) test and Wilcoxon rank sum test were used for analysis.

Results: The distributions of age, marital status, diagnosed regions, reason for HIV testing, and screening site were similar between the HIV-infected population and the cohort registrants. In 1985-2004, the male ratio for the cohort registrants (94.3%) was significantly higher than that measured for the HIV-infected population (89.5%) (p = 0.0339). With regard to transmission route, homosexual contact of cohort registrants (46.6%) was higher than that of the HIV-infected population (40.1%) (p = 0.022) in 2005-2009. No statistical difference in CD4+ T-cell counts at the time of HIV diagnosis was found between the HIVinfected population and cohort registrants (p = 0.2195).

Conclusion: The Korea HIV/AIDS cohort registrants represent the HIV-infected population, and the data collected from this cohort could be used as a foundation for national statistics.

Keywords: CD4+ T-cell counts; HIV-infected population; HIV/AIDS Cohort; South Korea.

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Figures

Figure 1.
Figure 1.. Comparison of CD4+ T-cell counts at the time of HIV diagnosis between the HIV-infected population and Korea HIV/AIDS cohort registrants in (A) 1985–2004 and (B) 2005–2009.
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