{"analyses":[{"ciLowerLimit":"0.462","ciPctValue":"95","ciUpperLimit":"0.728","groupIds":["OG000","OG001"],"nonInferiorityType":"SUPERIORITY_OR_OTHER","pValue":"<0.0001","pValueComment":"Nominal P-value = 0.05.","paramType":"Hazard Ratio (HR)","paramValue":"0.580","statisticalComment":"This was a stratified analysis.","statisticalMethod":"Log Rank","testedNonInferiority":false}],"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"255.0","upperLimit":"421.0","value":"309.0"},{"groupId":"OG001","lowerLimit":"170.0","upperLimit":"254.0","value":"200.0"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"797"},{"groupId":"OG001","value":"398"}],"units":"Participants"}],"description":"The time interval from the date of randomization to the date of the prostate-specific antigen (PSA) progression as defined in the protocol-specific Prostate Specific Antigen Working Group (PSAWG) criteria, namely, a PSA level of at least 5 ng/ml that has risen on at least 2 successive occasions, at least 2 weeks apart.","dispersionType":"95% Confidence Interval","groups":[{"description":"Abiraterone acetate plus prednisone/prednisolone administered as four 250 mg tablets of abiraterone acetate once daily plus 5 mg prednisone/5 mg prednisolone twice daily until disease progression.","id":"OG000","title":"Abiraterone Acetate"},{"description":"Placebo plus prednisone/prednisolone administered as four placebo tablets once daily plus 5 mg prednisone/5 mg prednisolone tablet twice daily until disease progression.","id":"OG001","title":"Placebo"}],"paramType":"MEDIAN","populationDescription":"Analysis was performed on the Intent-to-Treat (ITT) population. The ITT population is composed of all patients randomized into the study and who will be classified according to their assigned teatment group, regardless of the actual treatment received.","reportingStatus":"POSTED","timeFrame":"Up to 12 months","title":"Time to Prostate-Specific Antigen Progression According to Prostate Specific Antigen Working Group Criteria","type":"SECONDARY","unitOfMeasure":"Days"}