{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"2672"},{"groupId":"OG001","value":"2707"}],"title":"Success"},{"measurements":[{"groupId":"OG000","value":"74"},{"groupId":"OG001","value":"83"}],"title":"Failure"}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"2746"},{"groupId":"OG001","value":"2790"}],"units":"Participants"}],"description":"Sentinel node definition: Sentinel nodes are the first few lymph nodes into which a tumor drains. Sentinel node biopsy requires injecting a tracer material to help a surgeon locate sentinel nodes during surgery.","groups":[{"description":"Sentinel node resection immediately followed by axillary dissection\n\nconventional surgery: Sentinel node resection immediately followed by axillary dissection.","id":"OG000","title":"Arm I:Sentinel Node Resection+Conventional Axillary Dissection"},{"description":"Sentinel node resection followed by node examination then axillary dissection if positive sentinel node.\n\nSentinel node resection followed by node examination: Sentinel node resection followed by node examination then axillary dissection if positive sentinel node. No axillary dissection for negative sentinel node.","id":"OG001","title":"Arm II: Sentinel Node Resection Followed by Node Examination"}],"paramType":"COUNT_OF_PARTICIPANTS","populationDescription":"Data missing or unknown for some patients. In Arm I, 19 patients did not accept the protocol and another 42 patients did not have a SLN resection leaving 2746 with a SLN resection. In Arm II, 4 declined the protocol treatment and another 10 patients did not have a SLN resection leaving 2790 with a SLN resection.","reportingStatus":"POSTED","timeFrame":"At time of surgery (within 30 days of randomization)","title":"The Percentage of Technically Successful Sentinel Node Resections as Measured by the Proportion of Patients for Whom at Least One Sentinel Node is Identified.","type":"SECONDARY","unitOfMeasure":"Participants"}