Table 7.

Comparison of liver function indicators in the two groups

Indicator	LC + EPBD group (n = 50)	LC + EST group (n = 52)	t	P value
AST (U/L)
Preoperative	54.72 ± 4.36	55.24 ± 5.55	0.525	0.600
3 d postoperatively	30.56 ± 5.64	41.91 ± 6.03	9.804	< 0.001
ALT (U/L)
Preoperative	72.84 ± 6.92	71.43 ± 7.58	0.973	0.333
3 d postoperatively	47.94 ± 7.37	59.35 ± 7.58	7.699	< 0.001
TBIL (umol/L)
Preoperative	52.14 ± 6.42	54.22 ± 7.15	1.537	0.127
3 d postoperatively	24.14 ± 6.45	27.22 ± 7.05	2.293	0.024

LC: Laparoscopic cholecystectomy; EST: Endoscopic sphincterotomy; EPBD: Endoscopic papillary balloon dilation; AST: Aspartate transaminase; ALT: Alanine transaminase; TBIL: Total bilirubin.