{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"11.08","upperLimit":"14.91","value":"13.00"},{"groupId":"OG001","lowerLimit":"9.17","upperLimit":"14.55","value":"11.86"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"415"},{"groupId":"OG001","value":"208"}],"units":"Participants"}],"description":"EORTC-QLQ-BR23 is a 23-item breast cancer-specific companion module to the EORTC-QLQ-C30 and consists of four functional scales (body image, sexual enjoyment, sexual functioning, future perspective) and four symptom scales (systemic therapy side effects, upset by hair loss, arm symptoms, breast symptoms). Participant responses to 7 questions about their systemic therapy side effects were scored on a 4-point scale (1=Not at All to 4=Very Much). Using linear transformation, raw scores are standardized, so that scores range from 0 to 100. A higher score denotes worse symptoms for the systemic therapy side effects symptom scale. The change from baseline in systemic therapy side effects (EORTC QLQ-BR23 Items 1-4, 6, 7, and 8) score is presented.","dispersionType":"95% Confidence Interval","groups":[{"description":"Participants received pembrolizumab 200 mg IV on Day 1 of each 21-day cycle PLUS one of three background chemotherapy regimens at investigator's discretion: 1) nab-paclitaxel IV on Days 1, 8 and 15 of each 28-day cycle, 2) paclitaxel IV on Days 1, 8 and 15 of each 28-day cycle, OR 3) gemcitabine/carboplatin (gemcitabine) and an AUC 2 (carboplatin) on Days 1 and 8 of each 21-day cycle. Qualified participants who received first course of pembrolizumab but continued to experience disease progression were eligible to initiate a second course of pembrolizumab IV Q3W for up to 17 administrations (up to \\~1 year).","id":"OG000","title":"Part 2: Pembrolizumab + Chemotherapy"},{"description":"Participants received placebo (normal saline) IV on Day 1 of each 21-day cycle PLUS one of three background chemotherapy regimens at investigator's discretion: 1) nab-paclitaxel 100 mg/m\\^2 IV on Days 1, 8 and 15 of each 28-day cycle, 2) paclitaxel 90 mg/m\\^2 IV on Days 1, 8 and 15 of each 28-day cycle, OR 3) gemcitabine/carboplatin 1000 mg/m\\^2 (gemcitabine) and an AUC 2 (carboplatin) on Days 1 and 8 of each 21-day cycle.","id":"OG001","title":"Part 2: Placebo + Chemotherapy"}],"paramType":"LEAST_SQUARES_MEAN","populationDescription":"All randomized participants with PD-L1 CPS ≥1 tumors who received at least 1 dose of study intervention and had completed at least 1 patient-reported outcome (PRO) assessment. Participants were included in the treatment arm to which they were randomly assigned.","reportingStatus":"POSTED","timeFrame":"Baseline and Week 15","title":"Part 2: Change From Baseline to Week 15 in Systemic Therapy Side Effects Using the EORTC QLQ-BR23 - Participants With PD-L1 CPS ≥1 Tumors","type":"SECONDARY","unitOfMeasure":"Scores on a scale"}