{"analyses":[{"ciLowerLimit":"0.17","ciNumSides":"TWO_SIDED","ciPctValue":"95","ciUpperLimit":"0.90","estimateComment":"Reference level = IMRT 5 weeks","groupIds":["OG000","OG001"],"nonInferiorityType":"SUPERIORITY","pValue":"0.02","paramType":"Hazard Ratio (HR)","paramValue":"0.39","statisticalComment":"Two-sided significance level = 0.05","statisticalMethod":"Log Rank"}],"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"0.1","upperLimit":"3.3","value":"0.7"},{"groupId":"OG001","lowerLimit":"0.6","upperLimit":"5.4","value":"2.0"}]}],"title":"Six months"},{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"1.2","upperLimit":"7.1","value":"3.3"},{"groupId":"OG001","lowerLimit":"5.5","upperLimit":"15.0","value":"9.5"}]}],"title":"Two years"}],"denoms":[{"counts":[{"groupId":"OG000","value":"157"},{"groupId":"OG001","value":"149"}],"units":"Participants"}],"description":"Local-regional failure is defined as local or regional progression, salvage surgery of the primary tumor with tumor present/unknown, salvage neck dissection with tumor present/unknown \\> 20 weeks after the end of radiation therapy, death due to study cancer without documented progression, or death due to unknown causes without documented progression. Distant metastasis and death due to other causes are considered competing risks. Local-regional failure time is defined as time from randomization to the date of first progression/death or last known follow-up (censored). Rates are estimated by the cumulative incidence method.","dispersionType":"95% Confidence Interval","groups":[{"description":"Cisplatin: 40 mg/m2 IV (intravenously) weekly for 6 weeks\n\nIMRT 6 weeks: Intensity-modulated radiation therapy (IMRT), 30 fractions over 6 weeks, 5 fractions per week, 2 Gray per fraction to total dose of 60 Gy","id":"OG000","title":"IMRT 6 Weeks + Cisplatin"},{"description":"IMRT 5 weeks: Intensity-modulated radiation therapy (IMRT), 30 fractions over 5 weeks, 6 fractions per week, 2 Gray per fraction to total dose of 60 Gy","id":"OG001","title":"IMRT 5 Weeks"}],"paramType":"NUMBER","populationDescription":"Randomized and eligible participants","reportingStatus":"POSTED","timeFrame":"From randomization to 2 years","title":"Percentage of Participants With Local-regional Failure","type":"SECONDARY","unitOfMeasure":"percentage of participants"}