Clinical observation of laparoscopic cholecystectomy combined with endoscopic retrograde cholangiopancreatography or common bile duct lithotripsy

Table 2 Comparison of recovery of gastrointestinal function between the two groups (mean ± SD, h)

Groups	Anal venting time	Time to start eating	Recovery time of bowel sounds	Defecation time
Research Group (n = 47)	25.02 ± 3.68	7.82 ± 3.44	16.56 ± 3.58	33.35 ± 6.07
Control group (n = 47)	28.29 ± 4.11	9.62 ± 4.09	18.94 ± 4.29	36.96 ± 7.11
t value	4.064	2.309	2.920	2.647
P value	0.000	0.023	0.004	0.010