{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","spread":"4.4","value":"8.4"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"23"}],"units":"Participants"}],"description":"Subjective patient opinion about 5 voice related items (intelligibility face to face and on the phone, loudness, pitch and fluency). The best value is 5 and the worst value is 20.","dispersionType":"Standard Deviation","groups":[{"description":"26 Patients who normally use a Provox2 voice prosthesis, were asked to use a new Vega voice prosthesis with an outer diameter of 20 French.","id":"OG000","title":"Provox Vega 20"}],"paramType":"MEAN","populationDescription":"23 patients completed the structured questionnaires about the voice prosthesis. One patient received the wrong voice prosthesis after inclusion. Two patients had unsolvable leakage around the Provox Vega 20, which is 2.5 French smaller in outer diameter than their previous Provox2 voice prosthesis.","reportingStatus":"POSTED","timeFrame":"at 3 months or device change (whichever was first)","title":"Voice Quality","type":"SECONDARY","unitOfMeasure":"Units on a scale"}