CD4 and hepatotoxicity: Among participants who initially received NVP,grade 3 or 4 hepatotoxicity occurred in 9 of 196 (5%) women with abaseline CD4 count of ≥250 cells/mm3 versus three of 114(3%) women with CD4 count of <250 cells/mm3(RR = 1.7, 95% CI 0.5–6.3).