{"eventGroups":[{"description":"Participants received single doses of rituximab 750 mg/m\\^2 IV at Weeks 1 through 5, and 7, 9, 11, 14, 16, 18, 20, and 22; cytarabine 2 g/m\\^2 IV every 24 hours for 2 doses at Weeks 11 and 22; and single doses of MTX 8 g/m\\^2 IV at Weeks 3, 5, 7, 9, 14, 16, 18, and 20.","id":"EG000","otherNumAffected":5,"otherNumAtRisk":5,"seriousNumAffected":0,"seriousNumAtRisk":5,"title":"Rituximab, Cytarabine, and MTX"}],"frequencyThreshold":"0","otherEvents":[{"assessmentType":"NON_SYSTEMATIC_ASSESSMENT","organSystem":"Blood and lymphatic system disorders","sourceVocabulary":"MedDRA (9.0)","stats":[{"groupId":"EG000","numAffected":1,"numAtRisk":5}],"term":"Anaemia"},{"assessmentType":"NON_SYSTEMATIC_ASSESSMENT","organSystem":"Blood and lymphatic system disorders","sourceVocabulary":"MedDRA (9.0)","stats":[{"groupId":"EG000","numAffected":1,"numAtRisk":5}],"term":"Leukopenia"},{"assessmentType":"NON_SYSTEMATIC_ASSESSMENT","organSystem":"Blood and lymphatic system 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