{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"89.8","upperLimit":"94.7","value":"92.7"},{"groupId":"OG001","lowerLimit":"91.0","upperLimit":"97.2","value":"94.9"}]}],"title":"1 year survival probability"},{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"74.1","upperLimit":"82.0","value":"78.4"},{"groupId":"OG001","lowerLimit":"76.6","upperLimit":"87.0","value":"82.5"}]}],"title":"2 year survival probability"},{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"65.1","upperLimit":"73.9","value":"69.8"},{"groupId":"OG001","lowerLimit":"58.0","upperLimit":"71.1","value":"65.0"}]}],"title":"3 year survival probability"}],"denoms":[{"counts":[{"groupId":"OG000","value":"444"},{"groupId":"OG001","value":"222"}],"units":"Participants"}],"description":"One, two or three-year survival probability was defined as the probability of survival 1 year, 2 or 3 years after the date of randomization. The survival probability was estimated using the Kaplan-Meier method and 2-sided 95% confidence interval (CI) was calculated using the product limit method.","dispersionType":"95% Confidence Interval","groups":[{"description":"Participants received letrozole 2.5 milligram (mg) orally QD (once daily) combined with palbociclib 125 mg QD for 21 days of every-28-day cycle, followed by 7 days off treatment.","id":"OG000","title":"Palbociclib Plus Letrozole"},{"description":"Participants received letrozole 2.5 mg orally QD combined with placebo QD for 21 days of every-28-day cycle, followed by 7 days off treatment.","id":"OG001","title":"Placebo Plus Letrozole"}],"paramType":"NUMBER","populationDescription":"ITT population or full analysis set included all participants who were randomized, with study medication, regardless of whether participants received study medication or received a different drug from that to which they were randomized.","reportingStatus":"POSTED","timeFrame":"1, 2 and 3 years after randomization","title":"Survival Probability at 1 Year, 2 Year and 3 Year","type":"SECONDARY","unitOfMeasure":"Percent probability"}