Combination of propofol and dezocine to improve safety and efficacy of anesthesia for gastroscopy and colonoscopy in adults: A randomized, double-blind, controlled trial

Table 1 Demographics of the four groups

Item	Dezocine group	Sufentanyl group	Fentanyl group	Control group	P value
Sex, male/female	48/52	53/47	51/49	49/51	0.899
Age, yr	51 ± 20	52 ± 20	53 ± 19	48 ± 20	0.269
Height, cm	172 ± 7	173 ± 7	172 ± 8	173 ± 8	0.876
Weight, kg	76 ± 15	75 ± 15	72 ± 16	72 ± 15	0.157
ASA I/II	46/54	48/52	45/55	49/51	0.940
Induction time, s	46 ± 8	45 ± 9	45 ± 9	45 ± 9	0.807
Operation duration, min	46 ± 9	45 ± 9	45 ± 9	44 ± 9	0.614

ASA: American Society of Anesthesiologists class.