{"denoms":[{"counts":[{"groupId":"BG000","value":"61"}],"units":"Participants"}],"groups":[{"description":"Blood Culture at Day 21 or later -or- PCR Test at Day 21 or later","id":"BG000","title":"All Study Participants"}],"measures":[{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"0"}],"title":"<=18 years"},{"measurements":[{"groupId":"BG000","value":"61"}],"title":"Between 18 and 65 years"},{"measurements":[{"groupId":"BG000","value":"0"}],"title":">=65 years"}]}],"paramType":"COUNT_OF_PARTICIPANTS","title":"Age, Categorical","unitOfMeasure":"Participants"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","lowerLimit":"19","upperLimit":"58","value":"41"}]}]}],"dispersionType":"FULL_RANGE","paramType":"MEDIAN","title":"Age, Continuous","unitOfMeasure":"years"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"25"}],"title":"Female"},{"measurements":[{"groupId":"BG000","value":"36"}],"title":"Male"}]}],"paramType":"COUNT_OF_PARTICIPANTS","title":"Sex: Female, Male","unitOfMeasure":"Participants"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"61"}]}],"title":"United States"}],"paramType":"NUMBER","title":"Region of Enrollment","unitOfMeasure":"participants"}],"populationDescription":"All patients start out in the \"No CMV Reactivation\" period, at least until day 21 when the first blood culture or PCR tests are performed. After one positive blood culture or two consecutive positive PCR tests, patients move to the \"CMV Reactivation Detected\" period. Tests are performed twice weekly from day 21 post-transplant to day 100."}