{"description":"period of study","eventGroups":[{"description":"Overall Survival (OS) - Overall Survival is Calculated at the Time of the Screening Evaluation to Death From Any Cause.","id":"EG000","otherNumAffected":0,"otherNumAtRisk":5,"seriousNumAffected":0,"seriousNumAtRisk":5,"title":"Drug Combination"}],"frequencyThreshold":"5","timeFrame":"6 months"}