{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"0","upperLimit":"685","value":"213"},{"groupId":"OG001","lowerLimit":"0","upperLimit":"2059","value":"271"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"25"},{"groupId":"OG001","value":"25"}],"units":"Participants"}],"description":"The volume of packed red blood cell transfusion in the post-operative period","dispersionType":"95% Confidence Interval","groups":[{"description":"Received dalteparin 5000 units daily postop, patients with metastatic disease.","id":"OG000","title":"Interventional (Dalteparin, Metastatic)"},{"description":"Received dalteparin 5000 units daily postop, patients with primary sarcomas.","id":"OG001","title":"Interventional (Dalteparin, Sarcoma)"}],"paramType":"MEAN","reportingStatus":"POSTED","timeFrame":"4 weeks after surgery","title":"Post-Operative Blood Transfusion","type":"SECONDARY","unitOfMeasure":"mL"}