Figure 1.

Patient disposition and study schema. TIW, three times per week; QW, once weekly; Q2W, biweekly; Hb, hemoglobin; mITT, modified intent to treat. ^amITT population: subjects who were randomized and had at least one postrandomization Hb value. ^bPer-protocol population: subjects who received at least 75% of the intended doses during the first 22 wk of the study (i.e., at least 50 doses for the TIW group, at least 17 doses for the QW group, and at least 9 doses for the TIW group) before withdrawal from the study, receipt of a transfusion, or initiation of dialysis, whichever occurred earliest, and who had no major protocol deviations.