Absolute Lymphocyte Count is not a suitable alternative to CD4 count for determining initiation of Antiretroviral Therapy in Fiji

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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