Table 2.

Sedation characteristic of patients receiving remimazolam combined with or without remifentanil for anaesthesia induction.

Parameters	Normal saline group (n = 84)	Remifentanil-1 group (n = 85)	Remifentanil-2 group (n = 82)	p value
Time from anaesthesia induction to LOC (s)	154.5 (139.8, 180.0)	120.0 (104.4, 139.8)#	117.0 (105.9, 135.0)#	<0.001
Total administration of remimazolam from anaesthesia induction to LOC; mg	11.7 (10.4, 13.2)	9.6 (8.7, 10.6)#	8.9 (7.9, 10.2)#,*	<0.001

Values are presented as median (IQR).

*p = 0.008, compared to the remifentanil-1 group.

^#p < 0.001, compared to the normal saline group.