{"denoms":[{"counts":[{"groupId":"BG000","value":"20"},{"groupId":"BG001","value":"42"},{"groupId":"BG002","value":"62"}],"units":"Participants"}],"groups":[{"description":"Participants received weekly subcutaneous placebo for 24 weeks.","id":"BG000","title":"Placebo"},{"description":"Participants received once weekly subcutaneous romiplostim for 24 weeks at a starting dose of 1 µg/kg; weekly dose increases continued in increments of 1 µg/kg/week to a maximum dose of 10 µg/kg in an attempt to reach a target platelet count of ≥ 50 x 10\\^9/L.","id":"BG001","title":"Romiplostim"},{"description":"Total of all reporting groups","id":"BG002","title":"Total"}],"measures":[{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","spread":"4.7","value":"9.4"},{"groupId":"BG001","spread":"4.1","value":"9.7"},{"groupId":"BG002","spread":"4.3","value":"9.6"}]}]}],"dispersionType":"STANDARD_DEVIATION","paramType":"MEAN","title":"Age, Continuous","unitOfMeasure":"years"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"4"},{"groupId":"BG001","value":"8"},{"groupId":"BG002","value":"12"}]}],"title":"≥ 1 - < 6 years"},{"categories":[{"measurements":[{"groupId":"BG000","value":"9"},{"groupId":"BG001","value":"18"},{"groupId":"BG002","value":"27"}]}],"title":"≥ 6 - < 12 years"},{"categories":[{"measurements":[{"groupId":"BG000","value":"7"},{"groupId":"BG001","value":"16"},{"groupId":"BG002","value":"23"}]}],"title":"≥ 12 - < 18 years"}],"paramType":"NUMBER","title":"Age, Customized","unitOfMeasure":"participants"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"11"},{"groupId":"BG001","value":"24"},{"groupId":"BG002","value":"35"}],"title":"Female"},{"measurements":[{"groupId":"BG000","value":"9"},{"groupId":"BG001","value":"18"},{"groupId":"BG002","value":"27"}],"title":"Male"}]}],"paramType":"COUNT_OF_PARTICIPANTS","title":"Sex: Female, Male","unitOfMeasure":"Participants"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"0"},{"groupId":"BG001","value":"0"},{"groupId":"BG002","value":"0"}]}],"title":"American Indian or Alaska Native"},{"categories":[{"measurements":[{"groupId":"BG000","value":"2"},{"groupId":"BG001","value":"3"},{"groupId":"BG002","value":"5"}]}],"title":"Asian"},{"categories":[{"measurements":[{"groupId":"BG000","value":"2"},{"groupId":"BG001","value":"6"},{"groupId":"BG002","value":"8"}]}],"title":"Black or African American"},{"categories":[{"measurements":[{"groupId":"BG000","value":"0"},{"groupId":"BG001","value":"1"},{"groupId":"BG002","value":"1"}]}],"title":"Multiple"},{"categories":[{"measurements":[{"groupId":"BG000","value":"0"},{"groupId":"BG001","value":"1"},{"groupId":"BG002","value":"1"}]}],"title":"Native Hawaiian or Other Pacific Islander"},{"categories":[{"measurements":[{"groupId":"BG000","value":"1"},{"groupId":"BG001","value":"5"},{"groupId":"BG002","value":"6"}]}],"title":"Other"},{"categories":[{"measurements":[{"groupId":"BG000","value":"15"},{"groupId":"BG001","value":"26"},{"groupId":"BG002","value":"41"}]}],"title":"White"}],"paramType":"NUMBER","title":"Race/Ethnicity, Customized","unitOfMeasure":"participants"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","spread":"19.3","value":"19.9"},{"groupId":"BG001","spread":"10.7","value":"17.5"},{"groupId":"BG002","spread":"13.9","value":"18.3"}]}]}],"dispersionType":"STANDARD_DEVIATION","paramType":"MEAN","title":"Platelets","unitOfMeasure":"10^9/L"}]}