{"eventGroups":[{"deathsNumAffected":0,"deathsNumAtRisk":25,"description":"Received dalteparin 5000 units daily postop, patients with metastatic disease.","id":"EG000","otherNumAffected":1,"otherNumAtRisk":25,"seriousNumAffected":1,"seriousNumAtRisk":25,"title":"Interventional (Dalteparin, Metastatic)"},{"deathsNumAffected":0,"deathsNumAtRisk":25,"description":"Received dalteparin 5000 units daily postop, patients with primary sarcomas.","id":"EG001","otherNumAffected":4,"otherNumAtRisk":25,"seriousNumAffected":0,"seriousNumAtRisk":25,"title":"Interventional (Dalteparin, Sarcoma)"}],"frequencyThreshold":"5","otherEvents":[{"assessmentType":"SYSTEMATIC_ASSESSMENT","organSystem":"Surgical and medical procedures","sourceVocabulary":"CTCAE (4.0)","stats":[{"groupId":"EG000","numAffected":1,"numAtRisk":25},{"groupId":"EG001","numAffected":4,"numAtRisk":25}],"term":"Seroma"},{"assessmentType":"SYSTEMATIC_ASSESSMENT","organSystem":"Surgical and medical procedures","sourceVocabulary":"CTCAE (4.0)","stats":[{"groupId":"EG000","numAffected":0,"numAtRisk":25},{"groupId":"EG001","numAffected":3,"numAtRisk":25}],"term":"Wound infection"}],"seriousEvents":[{"assessmentType":"SYSTEMATIC_ASSESSMENT","organSystem":"Vascular disorders","sourceVocabulary":"CTCAE (4.0)","stats":[{"groupId":"EG000","numAffected":1,"numAtRisk":25},{"groupId":"EG001","numAffected":0,"numAtRisk":25}],"term":"Thromboembolic event"}],"timeFrame":"4 weeks after surgery"}