{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","spread":"11.3","value":"98.1"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"212"}],"units":"Participants"}],"description":"Chimerism studies will be performed on the bone marrow on days 21 and 100 and at 6 months, 1 year and 2 years. In cases of slow engraftment a bone marrow biopsy may be repeated on day +28.","dispersionType":"Standard Deviation","groups":[{"description":"Patients undergoing unrelated umbilical cord blood transplantation (UCBT) for hematologic malignancies treated with myeloablative preparative regimen comprising fludarabine phosphate, mycophenolate mofetil, filgrastim, cyclophosphamide, cyclosporine and fractionated total-body irradiation.","id":"OG000","title":"Unrelated UCBT for Blood Cancers"}],"paramType":"MEAN","reportingStatus":"POSTED","timeFrame":"Month 6","title":"Percentage Chimerism at 6 Months","type":"SECONDARY","unitOfMeasure":"percentage of donor cells"}