En undersøgelse omfattede 883 behandlingsnaive patienter (dvs. patienter, der ikke tidligere var blevet behandlet for hiv- infektion), og de tre andre undersøgelser i alt 743 behandlingserfarne patienter (patienter, der tidligere havde fået behandling for hiv- infektion).
One study involved 883 treatment-naïve patients (who had not taken treatment for HIV infection before), and the other three involved a total of 743 treatment-experienced patients (who had taken treatment for HIV infection before).