Type | Journal Article - Journal of tropical medicine |
Title | Absolute Lymphocyte Count is not a suitable alternative to CD4 count for determining initiation of Antiretroviral Therapy in Fiji |
Author(s) | |
Volume | 2014 |
Publication (Day/Month/Year) | 2014 |
URL | http://downloads.hindawi.com/journals/jtm/2014/715363.pdf |
Abstract | . An absolute lymphocyte count is commonly used as an alternative to a CD4 count to determine initiation of antiretroviral therapy for HIV-infected individuals in Fiji when a CD4 count is unavailable. Methods. We conducted a retrospective analysis of laboratory results of HIV-infected individuals registered at all HIV clinics in Fiji. Results. Paired absolute lymphocyte and CD4 counts were available for 101 HIV-infected individuals, and 96% had a CD4 count of =500 cells/mm3 . Correlation between the counts in individuals was poor (Spearman rank correlation ?? = 0.5). No absolute lymphocyte count could be determined in this population as a suitable surrogate for a CD4 count of either 350 cells/mm3 or 500 cells/mm3 . The currently used absolute lymphocyte count of =2300 cells/??L had a positive predictive value of 87% but a negative predictive value of only 17% for a CD4 of =350 cells/mm3 and if used as a surrogate for a CD4 of =500 cells/mm3 it would result in all HIV-infected individuals receiving ART including those not yet eligible. Weight, CD4 count, and absolute lymphocyte count increased significantly at 3 months following ART initiation. Conclusions. Our findings do not support the use of absolute lymphocyte count to determine antiretroviral therapy initiation in Fiji. |
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