{"denoms":[{"counts":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"},{"groupId":"OG002","value":"0"}],"units":"Participants"}],"dispersionType":"95% Confidence Interval","groups":[{"description":"Patients receive darbepoetin alfa (DA) subcutaneously and sodium ferric gluconate complex intravenously (IV) over 90 minutes on day 1. Treatment repeats every 21 days for up to 15 weeks in the absence of unacceptable toxicity.","id":"OG000","title":"DA + IV Iron"},{"description":"Patients receive darbepoetin alfa (DA) as in arm I and oral ferrous sulfate once daily on days 1-21. Treatment repeats every 21 days for up to 15 weeks in the absence of unacceptable toxicity.","id":"OG001","title":"DA + Oral Iron"},{"description":"Patients receive darbepoetin alfa (DA) as in arm I and oral placebo once daily on days 1-21. Treatment repeats every 21 days for up to 15 weeks in the absence of unacceptable toxicity.","id":"OG002","title":"DA + Placebo"}],"paramType":"MEDIAN","populationDescription":"Only 63 participants (20 DA + IV Iron, 21 DA + Oral Iron and 22 DA + Placebo) needed RBC transfusion during 16 weeks of treatment period. Thus, median of time to first RBC transfusion and 95 % confidence interval are not attainable.","reportingStatus":"POSTED","timeFrame":"16 weeks","title":"Time to First Red Blood Cell (RBC) Transfusions","type":"SECONDARY","unitOfMeasure":"Days"}