Long-term outcomes of endoscopic submucosal dissection and surgery for undifferentiated intramucosal gastric cancer regardless of size

doi:10.3748/wjg.v28.i8.840

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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Retrospective Study

World J Gastroenterol. Feb 28, 2022; 28(8): 840-852
Published online Feb 28, 2022. doi: 10.3748/wjg.v28.i8.840

Table 1 Baseline characteristics of the study population

Variables	Before matching			After matching
Variables	ESD (n = 123)	Surgery (n = 562)	P value	ESD (n = 119)	Surgery (n = 119)	P value
Age, yr, mean SD	55.3 12.4	53.0 11.8	< 0.001	56.6 11.9	55.6 11.9	0.546
Male, n (%)	68 (55.3)	282 (50.2)	0.305	67 (56.3)	57 (47.9)	0.194
Comorbidity, n (%)
Hypertension	44 (35.8)	143 (25.4)	0.020	41 (34.5)	40 (33.6)	0.891
Diabetes	21 (17.1)	65 (11.6)	0.095	19 (16.0)	15 (12.6)	0.459
Cerebrovascular disease	8 (6.5)	18 (3.2)	0.113	7 (5.9)	2 (1.7)	0.171
Respiratory disease	7 (5.7)	29 (5.2)	0.811	6 (5.0)	6 (5.0)	-
Liver disease	3 (2.4)	26 (4.6)	0.275	3 (2.5)	3 (2.5)	-
Renal disease	2 (1.6)	4 (0.7)	0.294	1 (0.8)	1 (0.8)	-
ASA physical status¹, n (%)			0.022			0.254
1	101 (82.1)	503 (89.5)		100 (84.0)	106 (89.1)
2	22 (17.9)	59 (10.5)		19 (16.0)	13 (10.9)
Tumor location, n (%)			< 0.001			0.822
Upper third	8 (6.5)	55 (9.8)		8 (6.7)	6 (5.0)
Middle third	97 (78.9)	321 (57.1)		93 (78.2)	93 (78.2)
Lower third	18 (14.6)	186 (33.1)		18 (15.1)	20 (16.8)
Lesion size, mm, n (%)			0.430			0.418
10	30 (24.4)	105 (18.7)		28 (23.5)	19 (16.0)
10-20	50 (40.7)	224 (39.9)		50 (42.0)	49 (41.2)
20-30	24 (19.5)	133 (23.7)		22 (18.5)	28 (23.5)
> 30	19 (15.4)	100 (17.8)		19 (16.0)	23 (19.3)
Gross morphology type¹, n (%)			0.315			0.760
Elevated	33 (26.8)	127 (22.6)		29 (24.4)	27 (22.7)
Flat or depressed	90 (73.2)	435 (77.4)		90 (75.6)	92 (77.3)
Helicobacter pylori infection, n (%)	64 (51.2)	316 (56.2)	0.397	61 (51.3)	60 (50.4)	0.897
ESD indication, n (%)			0.183			0.183
Within expanded indication	80 (65.0)	329 (58.5)		78 (65.5)	68 (57.1)
Beyond expanded indication	43 (35.0)	233 (41.5)		41 (34.5)	51 (42.9)
Histology appearance, n (%)			< 0.001			0.794
Poorly differentiated carcinoma	56 (45.5)	151 (26.9)		52 (43.7)	54 (45.4)
Signet ring cell carcinoma	67 (54.5)	411 (73.1)		67 (56.3)	65 (54.6)

¹Physical status classification of the American Society of Anesthesiologists.

ESD: Endoscopic submucosal dissection; SD: Standard deviation.

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Citation: Lee GH, Lee E, Park B, Roh J, Lim SG, Shin SJ, Lee KM, Noh CK. Long-term outcomes of endoscopic submucosal dissection and surgery for undifferentiated intramucosal gastric cancer regardless of size. World J Gastroenterol 2022; 28(8): 840-852
URL: https://www.wjgnet.com/1007-9327/full/v28/i8/840.htm
DOI: https://dx.doi.org/10.3748/wjg.v28.i8.840

Lee GH, Lee E, Park B, Roh J, Lim SG, Shin SJ, Lee KM, Noh CK. Long-term outcomes of endoscopic submucosal dissection and surgery for undifferentiated intramucosal gastric cancer regardless of size. World J Gastroenterol 2022; 28(8): 840-852 [PMID: 35317100 DOI: 10.3748/wjg.v28.i8.840]

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