{"analyses":[{"ciLowerLimit":"0.469","ciNumSides":"TWO_SIDED","ciPctValue":"95","ciUpperLimit":"0.739","estimateComment":"Based on stratified Cox regression model","groupIds":["OG000","OG001"],"nonInferiorityType":"SUPERIORITY","pValue":"<0.0001","paramType":"Hazard Ratio (HR)","paramValue":"0.589","statisticalMethod":"1-sided stratified log-rank test"}],"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"11.1","upperLimit":"16.6","value":"14.7"},{"groupId":"OG001","lowerLimit":"9.1","upperLimit":"11.0","value":"9.2"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"227"},{"groupId":"OG001","value":"225"}],"units":"Participants"}],"description":"PFS: time from randomization to date of progression of disease (PD) as determined by IRC review as per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 criteria or death due to any cause, whichever occurred first. PD: \\>=20% increase in sum of diameters of target lesions (TLs), referring smallest sum on study, sum must be an absolute increase of \\>=5 mm, appearance of \\>=1 new lesions; unequivocal progression of existing non TLs. Overall tumor burden increased sufficiently to merit discontinuation of therapy. In presence of stable disease (did not achieve partial response, complete response or PD) or partial response (\\>=30% decrease under baseline of sum of diameters of all target measurable lesions, short diameter used in the sum for target nodes, longest diameter used in sum for all other target lesions) in target disease; for new lesions: appearance of any new unequivocal malignant lesion indicated PD.","dispersionType":"95% Confidence Interval","groups":[{"description":"Participants received 45 mg of dacomitinib tablets orally once daily in each treatment cycle of 28 days, up to a maximum of 48 months until disease progression, intolerable toxicities, withdrawal, death, or investigator decision dictated by protocol compliance, whichever occurred first.","id":"OG000","title":"Dacomitinib"},{"description":"Participants received 250 mg of gefitinib tablets orally once daily in each treatment cycle of 28 days, for maximum of 48 months until disease progression, intolerable toxicities, withdrawal, death, or investigator decision dictated by protocol compliance, whichever occurred first.","id":"OG001","title":"Gefitinib"}],"paramType":"MEDIAN","populationDescription":"Intent to treat (ITT) Population included all randomized participants, with study treatment assignment designated according to initial randomization, regardless of whether participants received study treatment or a different treatment from that to which they were randomized.","reportingStatus":"POSTED","timeFrame":"Day 28 of Cycle 1, Cycle 2 then every 8 weeks until disease progression or death due to any cause, whichever occurred first (up to 48 months)","title":"Progression Free Survival (PFS) Based on Independent Radiologic Central (IRC) Review","type":"PRIMARY","unitOfMeasure":"months"}