A Microsoft Access-based program that revealed individual assignments sequentially as new participants were enrolled. The study assignment list was concealed from study staff in a password-protected file.Figure 2. HIV RNA suppression, at cutoffs of ,50 (A) and ,400 copies/mL (B), at baseline, 3-, 6-, 12-, and 18-month follow-up visits, stratified by study arm, with missing values ignored. Directly