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Diffusing capacity tracking through childhood in children with perinatally acquired HIV (CHIV), children who are HIV exposed uninfected (CHEU) and children who are HIV unexposed (CHU). Unadjusted means (with 95% CI) of diffusing capacity measures by HIV group. Means are calculated for each yearly age band. DLCO, diffusing capacity of the lung for carbon monoxide; VA, alveolar volume by helium dilution. The light grey dashed line represents z=0.
