{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","spread":"5.80","value":"-1.45"},{"groupId":"OG001","spread":"8.59","value":"-1.11"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"38"},{"groupId":"OG001","value":"45"}],"units":"Participants"}],"description":"Mean change in hearing threshold (post-pre) at 500 hz.","dispersionType":"Standard Deviation","groups":[{"description":"Sodium thiosulfate treatment.","id":"OG000","title":"STS Arm (Sodium Thiosulfate Treatment)"},{"description":"No sodium thiosulfate treatment.","id":"OG001","title":"Observation Arm"}],"paramType":"MEAN","populationDescription":"38 eligible patients in the STS arm had paired audiometry at 500 hz; 45 patients in the observation arm had paired audiometry at 500 hz.","reportingStatus":"POSTED","timeFrame":"4 weeks after last dose of cisplatin","title":"Change in Hearing Thresholds For Key Frequencies at 500 hz","type":"SECONDARY","unitOfMeasure":"Decibels"}