Figure 2.

Time to premature atazanavir/ritonavir (ATV/r) therapy discontinuation, stratified by UGT1A1 genotype. According to UGT1A1 genotype, within each panel the lines estimate the cumulative probability of discontinuing ATV/r overall (A) and among whites (B), blacks (C), and Hispanics (D). P values are given by exact Tarone tests. Solid lines represent UGT1A1*1/*1, dotted lines represent *1/*28, and dashed lines represent *28/*28. On each panel, numbers of participants in the risk set at each time point are provided.