Patients and baseline characteristics
bleeding
BLEEDING
Of 245 patients who underwent thoracic or lumbar spinal surgeries from August 16, 2021, to August 30, 2022, 181 were recruited and randomly assigned to the sugammadex group (n = 90) or control group (n = 91). 10 patients were excluded after randomization for couldn’t detect TceMEP signals, bleeding, or sevoflurane inhalation during surgery (Fig. 
CONSORT flow diagram. TceMEP, transcranial electrical motor evoked potential
Baseline characteristics and preoperative data of the study populationData are presented as mean ± SD or n. Abbreviations: ASA: American society of Aneshesiologists (ASA) physical status classification system