Characteristics at ART initiation of the two groups of HIV-infected ART-naïve children in the ARROW trial with qualitatively different CD4 reconstitution profiles.

Data are median (IQR) unless otherwise indicated. p-Values are for Fisher's exact (WHO stage and first-line ART randomisation), chi-squared (sex and monitoring randomisation), and Wilcoxon rank sum (continuous variables) tests for a difference between the two groups.aCD4 count at ART initiation was missing in one child from each group.