{"groups":[{"description":"Patients undergoing endonasal surgery for anterior skull base tumors, pituitary tumors, and skull base spinal fluid leaks using endonasal techniques.","id":"FG000","title":"Endonasal Group"},{"description":"Patients undergoing any neurosurgical procedure requiring general anesthesia that did not involve the endonasal corridor, such as spinal decompression procedures, craniotomies for trigeminal neuralgia, or shunting procedures.","id":"FG001","title":"Control Group"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"52"},{"groupId":"FG001","numSubjects":"42"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"52"},{"groupId":"FG001","numSubjects":"42"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}],"recruitmentDetails":"Eligible adult patients were identified in the outpatient neurosurgical clinics at the Barrow Neurological Institute between October 2010 and June 2011."}