{"calculatePct":false,"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"1"},{"groupId":"OG001","value":"2"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"4"},{"groupId":"OG001","value":"5"}],"units":"Participants"}],"description":"Number of participants progressed or death from study entry.","groups":[{"description":"Letrozole 2.5 mg Tablet By Mouth Daily for 12 Weeks.\n\nLetrozole: 2.5 mg Tablet By Mouth Daily for 12 Weeks.","id":"OG000","title":"Letrozole"},{"description":"Patients receive no treatment. Follow up every 3 months.","id":"OG001","title":"Standard of Care"}],"paramType":"COUNT_OF_PARTICIPANTS","populationDescription":"1 out of 4 participants in the Letrozole arm progressed on study. 2 participants progressed in standard of care","reportingStatus":"POSTED","timeFrame":"Every 12 weeks","title":"Progression Free Survival (PFS)","type":"PRIMARY","unitOfMeasure":"Participants"}