(0.65, 0.94) (0.70, 1.00) (0.57-1.02) * In a combined analysis from several clinical studies, atazanavir/ ritonavir 300/ 100 mg co-administered with tenofovir disoproxil fumarate 300 mg (n=39) was compared to atazanavir/ ritonavir 300/ 100 mg (n=33).