{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"100"},{"groupId":"OG001","value":"100"},{"groupId":"OG002","value":"88"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"170"},{"groupId":"OG001","value":"173"},{"groupId":"OG002","value":"165"}],"units":"Participants"}],"description":"PD-L1 expression was assessed by immunohistochemistry. Participants were considered positive for PD-L1 if their baseline tissue sample demonstrated PD-L1 expression on \\>=1% of tumor cells or \\>=5% of immune cells.","groups":[{"description":"Avelumab 10 milligram (mg)/kilogram (kg) given as a 1-hour intravenous (IV) infusion every 2 weeks (Q2W) in 4-week cycles.","id":"OG000","title":"Avelumab"},{"description":"Avelumab 10 mg/kg given as a 1-hour IV Q2W in 4-week cycles + pegylated liposomal doxorubicin (PLD) 40 mg/square meter given as a 1-hour IV infusion every 4 weeks (Q4W) in 4-week cycles.","id":"OG001","title":"Avelumab + PLD"},{"description":"PLD 40 mg/square meter given as a 1-hour IV infusion Q4W in 4-week cycles.","id":"OG002","title":"Pegylated Liposomal Doxorubicin (PLD)"}],"paramType":"COUNT_OF_PARTICIPANTS","populationDescription":"The biomarker analysis set included participants who had at least 1 screening biomarker assessment. 'Number of Participants Analyzed' is based on number of participants in the biomarker analysis set within each treatment group with reported PD-L1 status.","reportingStatus":"POSTED","timeFrame":"Biomarkers are measured only at screening.","title":"Number of Participants With PD-L1 Expression for PFS (Based on BICR Assessment) and for OS","type":"SECONDARY","unitOfMeasure":"Participants"}