Effect of etomidate added to propofol target-controlled infusion in bidirectional endoscopy: A randomized clinical trial

Table 3 Comparison of perioperative duration and recovery in three groups

	P group	0.1EP group	0.15EP group	P value
Induction time (minute)	1.9 ± 0.7	1.2 ± 0.4a	1.1 ± 0.3b	< 0.01
Duration of gastroscopy (minute)	5.9 ± 2.3	6.1 ± 2.3	6.5 ± 2.8	0.154
Duration of colonoscopy (minute)	14.5 ± 6.5	13.8 ± 6.3	13.6 ± 7.0	0.557
Awakening time (minute)	3.7 ± 2.9	3.3 ± 2.8	3.3 ± 3.3	0.587
Recovery time (minute)	4.8 ± 2.1	4.5 ± 1.6	3.9 ± 1.4b,c	< 0.01

^aP < 0.05, P group vs 0.1EP group.

^bP < 0.05, P group vs 0.15EP group.

^cP < 0.05, 0.1EP group vs 0.15EP group.

Values are expressed as mean ± SD.