Characteristics of early gastric tumors with different differentiation and predictors of long-term outcomes after endoscopic submucosal dissection

doi:10.3748/wjg.v30.i14.1990

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World Journal of Gastroenterology

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1007-9327

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World J Gastroenterol. Apr 14, 2024; 30(14): 1990-2005
Published online Apr 14, 2024. doi: 10.3748/wjg.v30.i14.1990

Table 2 Pathological characteristics of gastric mucosal tumors with different degrees of differentiation, n (%)

	LGIN (n = 96)	HGIN (n = 100)	Differentiated-type (n = 89)	Undifferentiated-type (n = 16)	P value
Size (cm) (range)	2.7 (2.2-3.7)^a	3.2 (2.4-3.7)^a^,^b	3.7 (2.7-4.2)^b	3.5 (2.8-4.6)^b	0.001
Location					0.006
Top 1/3	19 (19.8)	30 (30.0)	33 (37.1)	2 (12.5)
Medium 1/3	10 (10.4)	22 (22.0)	13 (14.6)	5 (31.3)
Lower 1/3	67 (69.8)^a	48 (48.0)^b	43 (48.3)^b	9 (56.3)^a^,^b
Paris classification					< 0.001
0-I	24 (25.0)^a	3 (3.0)^b	3 (3.4)^b	2 (12.5)^a^,^b
0-IIa	19 (19.8)	14 (14.0)	11 (12.4)	0 (0.0)
0-IIb	9 (9.4)	11 (11.0)	9 (10.1)	0 (0.0)
0-IIc	20 (20.8)^a	39 (39.0)^b	39 (43.8)^b	8 (50.0)^a^,^b
0-III	1 (1.0)	1 (1.0)	1 (1.1)	0 (0.0)
0-IIa+ IIc	23 (24.0)	32 (32.0)	26 (29.2)	6 (37.5)
Invasion depth					< 0.001
M1M2	96 (100.0)^a	100 (100.0)^a	43 (48.3)^b	5 (31.3)^b
M3	0 (0.0)^a	0 (0.0)^a	37 (41.6)^b	6 (37.5)^b
SM1	0 (0.0)^a^,^b	0 (0.0)^b	6 (6.7)^a^,^c	2 (12.5)^c
SM2	0 (0.0)^a	0 (0.0)^a	3 (3.4)^a^,^b	3 (18.8)^b
Presence of H. pylori	37 (48.7)	38 (52.8)	32 (56.1)	4 (40.0)	0.727
Presence of ulceration	6 (6.3)	6 (6.0)	7 (7.9)	4 (25.0)	0.058

^aP < 0.05.

^bP < 0.05.

^cP < 0.05.

Data in the same row are superscripted with the same letter or have no superscript to indicate a non-significant difference (P > 0.05). Different letters to indicate a significant difference (P < 0.05). LGIN: Low-grade intraepithelial neoplasia; HGIN: High-grade intraepithelial neoplasia.

Citation: Zhu HY, Wu J, Zhang YM, Li FL, Yang J, Qin B, Jiang J, Zhu N, Chen MY, Zou BC. Characteristics of early gastric tumors with different differentiation and predictors of long-term outcomes after endoscopic submucosal dissection. World J Gastroenterol 2024; 30(14): 1990-2005
URL: https://www.wjgnet.com/1007-9327/full/v30/i14/1990.htm
DOI: https://dx.doi.org/10.3748/wjg.v30.i14.1990