{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"0.473","upperLimit":"0.810","value":"0.642"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"31"}],"units":"Participants"}],"description":"The current protocol OS2008 (NCT00667342) was closed early due to slow accrual. Thus, with the limited number of patients, the comparison of EFS of OS20008 to that of OS99 (NCT00145639) participants was not done. The 2-year EFS of OS2008 participants is reported here.","dispersionType":"95% Confidence Interval","groups":[{"description":"OS2008 Stratum A participants had primary tumors potentially resectable by aggressive surgery, such as limb-salvage surgery or amputation, and no evidence of metastasis.","id":"OG000","title":"A: Localized Resectable Disease"}],"paramType":"NUMBER","populationDescription":"OS2008 Localized Resectable Disease group had 31 participants: 14 had events, 17 had no events.","reportingStatus":"POSTED","timeFrame":"After all patients have completed therapy, up to 2 years after last patient is enrolled","title":"2-Year Event Free Survival (EFS) in Patients With Localized Resectable Disease Compared to St. Jude OS99 Protocol.","type":"SECONDARY","unitOfMeasure":"probability"}