Fig 1. Relationship between HBV status and markers of HIV disease in HIV-positive women from South Africa and Botswana.

Panels (A) and (B): South Africa (Durban + Kimberley cohorts pooled); Panels (C) and (D): Botswana (Gaborone). Left-hand column (panels (A) and (C)) shows CD4+ T cell counts; right-hand column (panels (B) and (D)) shows HIV-1 RNA viral load. In each case, box represents median and 25/75^th centiles, whiskers 5-95^th centiles. P values by Mann Whitney U test.