{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"36"}],"title":"CMV Reactivation"},{"measurements":[{"groupId":"OG000","value":"25"}],"title":"No CMV Reactivation"}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"61"}],"units":"Participants"}],"groups":[{"description":"Blood Culture at Day 21 or later -or- PCR Test at Day 21 or later","id":"OG000","title":"All Study Participants"}],"paramType":"COUNT_OF_PARTICIPANTS","reportingStatus":"POSTED","timeFrame":"Twice Weekly after day 21 post-transplant","title":"Observation of Cytomegalovirus (CMV) in Blood as Measured by Either Blood Culture or Polymerase Chain Reaction (PCR) During the Course of Antiviral Treatment","type":"PRIMARY","unitOfMeasure":"Participants"}