{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","spread":"115.6","value":"155.4"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"27"}],"units":"Participants"}],"description":"cost effectiveness of the new tool set is compared to that of the set that would have been used in the absence of the new puncture set.\n\nMeasurements are: time needed to perform procedure","dispersionType":"Standard Deviation","groups":[{"description":"Patients in whom a voice prosthesis was placed by means of the Provox Vega Puncture Set","id":"OG000","title":"Provox Vega Puncture Set"}],"paramType":"MEAN","populationDescription":"Number subjects based on optimal minimax two-stage design. Based on power calculation, 26 patients should be included. In first stage, 20/23 successful insertions are needed to continue. In second stage, with 23/26 successful insertions device is considered safe. Analysis is per protocol.","reportingStatus":"POSTED","timeFrame":"1 month","title":"Cost Effectiveness Calculation","type":"SECONDARY","unitOfMeasure":"seconds"}