Incidence and Predictors of Antiretroviral Treatment Modification in HIV-Infected Adults: A Brazilian Historical Cohort from 2001 to 2010

Figure 2

Frequency of ARV modifications according to reason for modification. Values on table shows the total of each combination prescribed, the frequency of modification according to each combination used, and the incidence rate of modifications in person-months. The NRTI backbone is always used combined with one of those NNRTIs or PIs.