{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"0","upperLimit":"0","value":"2"},{"groupId":"OG001","lowerLimit":"0","upperLimit":"0","value":"5"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"2"},{"groupId":"OG001","value":"5"}],"units":"Participants"}],"description":"Criteria for the recurrence: the site scoring \\>4, plus visible lesion found in \\>50% of the treated tissue area, after surgery Description: The caculation of the site scoring is based on a called Derkay's scoring system: to indicate how many anatomic site involved, from the 0 (the best)to 13 (the worst),among a total of 13 laryngeal sites such as epiglottis or right true vocal cords.","groups":[{"description":"treated with once-time routine surgery (CO2 laser or \"cold\" microsurgery)","id":"OG000","title":"Control"},{"description":"treated with once-time PDL, followed by oral taking of Celebrex (100mg,BID) for 9 months","id":"OG001","title":"Experienment"}],"paramType":"NUMBER","populationDescription":"The paticipants for analysis were those who had the recurrence or completed follow-up period. The analysis was per protocol, and follow-up period was 12 months.","reportingStatus":"POSTED","timeFrame":"12-month follow up","title":"Number of Case With Papilloma Recurrence During a 12-month Follow up","type":"PRIMARY","unitOfMeasure":"case"}