Primary outcomes
loss of consciousness
There was no significant difference in anesthesia induction time among the three groups (P = 0.437; Table 
Study outcomesData are presented as median (interquartile range) or numbers (percentages), as appropriateAbbreviations: BIS, bispectral index; IQR, interquartile range; LMA, laryngeal mask airway; LoC, loss of consciousness; N BIS values, number of patients with corresponding BIS values; PACU, postanesthesia care unit; RT, remimazolam tosilate; % time BIS > 60 during anesthesia maintenance, the percentage of time with BIS values > 60 in the whole anesthesia maintenance period