Effect of endoscopic submucosal dissection on gastrointestinal function and nutritional status in patients with early gastric cancer

Table 1 Surgical effect, n (%)

Group	Lump resection	Curative resection	Basal lesion residual
ESD group (n = 42)	40 (95.24)	2 (4.76)	0
EMR group (n = 38)	28 (73.68)	8 (21.05)	2 (5.26)
χ2	7.269	3.466	0.622
P value	0.007	0.063	0.430

ESD: Endoscopic submucosal dissection; EMR: Endoscopic mucosal resection.

Table 2 Surgical conditions, mean ± SD

Group	Operation time (minute)	Intraoperative bleeding volume (mL)	Gastrointestinal ventilation time (hour)	Length of stay (day)
ESD group (n = 42)	62.83 ± 8.48	28.48 ± 5.28	25.85 ± 5.48	12.83 ± 4.28
EMR group (n = 38)	51.36 ± 7.15	22.52 ± 4.19	36.76 ± 7.15	13.28 ± 4.51
t value	6.504	5.553	7.701	0.458
P value	< 0.001	< 0.001	< 0.001	0.648

ESD: Endoscopic submucosal dissection; EMR: Endoscopic mucosal resection.

Table 3 Nutrition status, mean ± SD

Group	ALB (g/L)		PA (mg/L)		Hb (g/L)		TRF (g/L)
	Pre	Post	Pre	Post	Pre	Post	Pre	Post
ESD group (n = 42)	47.86 ± 4.28	42.28 ± 3.67a	328.84 ± 35.26	302.15 ± 24.78a	118.20 ± 8.87	108.24 ± 7.48a	2.38 ± 0.82	1.90 ± 0.47a
EMR group (n = 38)	48.04 ± 4.36	35.86 ± 4.15a	331.05 ± 37.82	278.53 ± 25.69a	120.49 ± 9.36	98.89 ± 7.27a	2.40 ± 0.85	1.67 ± 0.41a
t value	0.186	7.343	0.270	4.184	1.123	5.658	0.107	2.321
P value	0.853	< 0.001	0.788	< 0.001	0.265	< 0.001	0.915	0.023

^aP < 0.05 compared with that in the same group before operation.

ESD: Endoscopic submucosal dissection; EMR: Endoscopic mucosal resection; ALB: Albumin; PA: Prealbumin; TRF: Transferrin.

Table 4 Gastrointestinal hormones, mean ± SD (µg/L)

Group	PG I		PG II
	Pre	Post	Pre	Post
ESD group (n = 42)	65.82 ± 6.89	82.48 ± 6.48a	25.04 ± 2.48	15.28 ± 3.15a
EMR group (n = 38)	66.27 ± 7.15	73.89 ± 6.35a	24.76 ± 2.51	18.96 ± 3.37a
t value	0.287	5.978	0.501	5.048
P value	0.775	< 0.001	0.618	< 0.001

^aP < 0.05 compared with that in the same group before operation.

ESD: Endoscopic submucosal dissection; EMR: Endoscopic mucosal resection; PG: Pepsinogen.