Interpreting the reasons for the choice and changing of two drug regimens in an observational cohort: comparison of a ritonavir‐boosted protease inhibitor‐based versus a nonnucleoside reverse transcriptase inhibitor‐based first‐line regimen

ATV/r- and EFV-based regimens meet the requirements of both efficacy and safety for initial combination antiretroviral regimen, which relate to better durabi...