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Virologic success at 48 weeks (defined as HIV RNA below 50 copies/mL) according to baseline viral load (top) and CD4+ cell count (bottom) in studies comparing elvitegravir/cobicistat/emtricitabine/tenofovir (elvitegravir group) with efavirenz/emtricitabine/tenofovir (efavirenz group) or atazanavir/ritonavir plus tenofovir/emtricitabine (atazanavir group). Adapted with permission from Ward et al.9
