CD4 and mitochondrial DNA depletion syndrome 4a: Among women with available data on CD4+ T-cell counts (n = 646), 442/646 (68%) were LPs and 272/646 (42%) had AHD compared with 413/773 (53%) LPs and 258/773 (33%) with AHD among men with available data on CD4+ T-cell counts (n = 773).