Results
CEREBROSPINAL FLUID LEAKAGE, MAY
From November 10, 2020, to May 30, 2021, 230 patients met the requirements after being screened. Three patients requested removal from the study after surgery; two patients self-administered analgesics; seven patients experienced cerebrospinal fluid leakage during the operation and the postoperative ambulation time was prolonged; and five patients were discharged early. Finally, the data of 213 patients were analyzed. Figure 
Flow chart of included patient numbers