{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"2"},{"groupId":"OG001","value":"0"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"8"},{"groupId":"OG001","value":"11"}],"units":"Participants"}],"description":"An event is death from any cause. Overall survival was not calculated due to the limited number of events. Number of patients with an event is reported.","groups":[{"description":"Concurrent radiation therapy, cisplatin, and placebo followed by neck dissection for indicated patients.","id":"OG000","title":"Placebo"},{"description":"Concurrent radiation therapy, cisplatin, and palifermin followed by neck dissection for indicated patients.","id":"OG001","title":"Palifermin"}],"paramType":"COUNT_OF_PARTICIPANTS","populationDescription":"Randomized patients who started protocol treatment","reportingStatus":"POSTED","timeFrame":"From randomization to maximum follow-up at time of analysis of 21 months","title":"Overall Survival","type":"SECONDARY","unitOfMeasure":"Participants"}