Influence of liver function after laparoscopy-assisted vs totally laparoscopic gastrectomy

Table 4 Comparison of bilirubin in each group

Variable	TLG group (n = 40)	ALG group (n = 40)	t value	P value
TBIL (μmol/L)
BO	13.44 ± 6.57	11.62 ± 4.85	1.409	0.163Nonsig
AO
1-2 d	15.05 ± 7.10	15.11 ± 7.27	0.042	0.967Nonsig
3-4 d	17.38 ± 8.44	11.65 ± 6.72	3.358	0.001Sig
5-7 d	15.26 ± 5.91	12.82 ± 6.70	1.728	0.088Nonsig
DBIL (μmol/L)
BO	2.40 ± 1.05	2.15 ± 0.99	1.074	0.286Nonsig
AO
1-2 d	3.74 ± 1.73	3.79 ± 2.05	0.112	0.911Nonsig
3-4 d	4.63 ± 3.32	3.22 ± 2.03	2.286	0.025Sig
5-7 d	4.17 ± 2.31	4.05 ± 4.09	0.155	0.877Nonsig
IBIL (μmol/L)
BO	10.93 ± 5.58	9.47 ± 3.93	1.355	0.179Nonsig
AO
1-2 d	11.36 ± 5.68	11.33 ± 5.45	0.020	0.984Nonsig
3-4 d	12.75 ± 5.90	8.43 ± 5.02	3.530	0.001Sig
5-7 d	11.21 ± 4.17	8.77 ± 3.54	2.819	0.006Sig

TLG: Totally laparoscopic gastrectomy; ALG: Another 7 cm longitudinal incision; TBIL: Total bilirubin; DBIL: Direct bilirubin; IBIL: Indirect bilirubin; BO: Before the operation; AO: After the operation.