{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"97","upperLimit":"99","value":"98"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"33"}],"units":"Participants"}],"description":"NPV = proportion of those with a negative test without neoplasia compared to pathology results","dispersionType":"95% Confidence Interval","groups":[{"description":"High Resolution Microendoscopy (HRME) imaging device that operates as a fluorescence microscope with a fiber optic imaging probe. The probe is placed against the mucosa to obtain images relayed to a tablet computer. 0.01% Proflavine hemisulfate used as a fluorescent contrast agent applied topically to mucosa. HRME is used to capture images of suspicious areas sprayed with proflavine hemisulfate.","id":"OG000","title":"HRME With Proflavine"}],"paramType":"MEAN","reportingStatus":"POSTED","timeFrame":"Immediately following image (day of enrollment or up to 2 weeks after enrollment)","title":"Negative Predictive Value","type":"PRIMARY","unitOfMeasure":"Percent of images with correct diagnosis"}