{"denoms":[{"counts":[{"groupId":"BG000","value":"8"},{"groupId":"BG001","value":"10"},{"groupId":"BG002","value":"18"}],"units":"Participants"}],"groups":[{"description":"Patients receive placebo PO twice daily in week 1 and then once daily in weeks 2-11. Patients also receive cisplatin IV over 3 hours once in weeks 2, 5, and 8 and undergo radiotherapy 5 days a week in weeks 2-8.\n\nplacebo: Given PO\n\ncisplatin: Given IV\n\nradiation therapy: Undergo radiotherapy\n\nquality-of-life assessment: Ancillary studies","id":"BG000","title":"Arm I (Placebo, Cisplatin, and Radiotherapy)"},{"description":"Patients receive selenomethionine PO twice daily in week 1 and then once daily in weeks 2-11. Patients also receive cisplatin and undergo radiotherapy as in arm I.\n\nselenomethionine: Given PO\n\ncisplatin: Given IV\n\nradiation therapy: Undergo radiotherapy\n\nquality-of-life assessment: Ancillary studies","id":"BG001","title":"Arm II (Selenomethionine, Cisplatin, and Radiotherapy)"},{"description":"Total of all reporting groups","id":"BG002","title":"Total"}],"measures":[{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","spread":"6.6","value":"56.6"},{"groupId":"BG001","spread":"8.2","value":"57.4"},{"groupId":"BG002","spread":"7.3","value":"57.1"}]}]}],"dispersionType":"STANDARD_DEVIATION","paramType":"MEAN","title":"Age, Continuous","unitOfMeasure":"years"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"0"},{"groupId":"BG001","value":"0"},{"groupId":"BG002","value":"0"}],"title":"<=18 years"},{"measurements":[{"groupId":"BG000","value":"7"},{"groupId":"BG001","value":"9"},{"groupId":"BG002","value":"16"}],"title":"Between 18 and 65 years"},{"measurements":[{"groupId":"BG000","value":"1"},{"groupId":"BG001","value":"1"},{"groupId":"BG002","value":"2"}],"title":">=65 years"}]}],"paramType":"COUNT_OF_PARTICIPANTS","title":"Age, Categorical","unitOfMeasure":"Participants"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"0"},{"groupId":"BG001","value":"0"},{"groupId":"BG002","value":"0"}],"title":"Female"},{"measurements":[{"groupId":"BG000","value":"8"},{"groupId":"BG001","value":"10"},{"groupId":"BG002","value":"18"}],"title":"Male"}]}],"paramType":"COUNT_OF_PARTICIPANTS","title":"Sex: Female, Male","unitOfMeasure":"Participants"}]}