Incidence and risk factors of post-traumatic stress disorder in patients after endoscopic submucosal dissection for early gastric cancer

doi:10.5498/wjp.v16.i5.116272

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World Journal of Psychiatry

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2220-3206

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

Retrospective Cohort Study

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Psychiatry. May 19, 2026; 16(5): 116272
Published online May 19, 2026. doi: 10.5498/wjp.v16.i5.116272

Table 1 Analysis of general data of patients in the post-traumatic stress disorder group and the non-post-traumatic stress disorder group, n (%)

Item	Category/unit	PTSD group (n = 56)	Non-PTSD group (n = 160)	Test statistic	P value
Gender	Male	33 (58.9)	105 (65.6)	χ² = 0.838	0.36
	Female	23 (41.1)	55 (34.4)
Age (years)¹	M (P25, P75)	63.0 (58.0, 68.0)	59.0 (54.0, 65.0)	Z = -2.456	0.014
Education level	Illiterate/primary	18 (32.1)	28 (17.5)	χ² = 7.624	0.054
	Junior high	22 (39.3)	58 (36.3)
	High school/technical	12 (21.4)	48 (30.0)
	College and above	4 (7.1)	26 (16.3)
Marital status	Married	42 (75.0)	142 (88.8)	χ² = 6.589	0.01
	Unmarried/divorced/widowed	14 (25.0)	18 (11.3)
Occupation	Employed	18 (32.1)	72 (45.0)	χ² = 5.893	0.053
	Retired	28 (50.0)	68 (42.5)
	Unemployed	10 (17.9)	20 (12.5)
Lesion location	Fundus/body	12 (21.4)	42 (26.3)	χ² = 0.556	0.456
	Antrum/angle	44 (78.6)	118 (73.8)
Lesion size (cm)	M (P25, P75)	2.2 (1.5, 3.0)	1.8 (1.2, 2.5)	Z = -2.867	0.004
Pathological type	Differentiated adenocarcinoma	48 (85.7)	143 (89.4)	χ² = 0.581	0.446
	Undifferentiated adenocarcinoma	8 (14.3)	17 (10.6)
Depth of invasion	Mucosal layer M	38 (67.9)	118 (73.8)	χ² = 0.748	0.387
	Submucosal layer SM	18 (32.1)	42 (26.3)
Combined with ulcer	Yes	26 (46.4)	48 (30.0)	χ² = 5.312	0.021
	No	30 (53.6)	112 (70.0)
Lymphovascular invasion	Yes	12 (21.4)	18 (11.3)	χ² = 3.611	0.057
	No	44 (78.6)	142 (88.8)
En bloc resection	Yes	52 (92.9)	152 (95.0)	Fisher	0.719
	No	4 (7.1)	8 (5.0)
Complete resection	Yes	48 (85.7)	144 (90.0)	χ² = 0.753	0.386
	No	8 (14.3)	16 (10.0)
Past medical history	Yes	34 (60.7)	88 (55.0)	χ² = 0.580	0.446
	No	22 (39.3)	72 (45.0)
Family tumor history	Yes	22 (39.3)	42 (26.3)	χ² = 3.578	0.059
	No	34 (60.7)	118 (73.8)

¹Age and lesion size are non-normally distributed data, expressed as median (interquartile range) [M (P25, P75)].

PTSD: Post-traumatic stress disorder; M: Mucosa; SM: Submucosa.

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Citation: Liu J, Wang Y, Wang RH. Incidence and risk factors of post-traumatic stress disorder in patients after endoscopic submucosal dissection for early gastric cancer. World J Psychiatry 2026; 16(5): 116272
URL: https://www.wjgnet.com/2220-3206/full/v16/i5/116272.htm
DOI: https://dx.doi.org/10.5498/wjp.v16.i5.116272