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Expression of OX40 and α4β7 in CD4 T-cells of LR-subjects at combined antiretroviral treatment onset. (A) Frequency of OX40+CD4+ T-cells; (B) Frequency of α4hiβ7hi CD4+ T-cells. After excluding outlier value (*) statistical significance was p = 0.009. Data were determined using multiparametric flow cytometry and are expressed as median value and interquartile range (IQR). Mann–Whitney test was used for the statistical significance calculation.
