Analgesic effect of ultrasound-guided bilateral transversus abdominis plane block in laparoscopic gastric cancer

Table 4 Comparison of intestinal barrier function indicators between two groups (mg/L, mean ± SD)

Group	DAO		D-LA
	Before surgery	24 h after surgery	Before surgery	24 h after surgery
TAPB group (n = 45)	4.64 ± 0.85	3.17 ± 0.72	5.28 ± 0.67	4.21 ± 0.44
Epidural anesthesia group (n = 40)	4.52 ± 0.91	3.85 ± 0.64	5.09 ± 0.78	4.63 ± 0.32
t value	0.628	4.578	1.208	4.978
P value	0.531	< 0.001	0.230	< 0.001

SD: Standard deviation; TAPB: Transversus abdominal plane block; DAO: Diamine oxidase; D-LA: D-lactate.