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

Table 4 Multivariate logistic regression analysis of post-traumatic stress disorder occurrence in patients after endoscopic submucosal dissection for early gastric cancer

Variable	B	SE	Wald χ2	P value	OR	95%CI
Age (per 1-year increase)	0.058	0.023	6.281	0.012	1.06	1.013-1.109
Marital status (unmarried/divorced/widowed vs married)	1.124	0.456	6.079	0.014	3.077	1.259-7.516
Lesion size (per 1-cm increase)	0.485	0.186	6.796	0.009	1.624	1.129-2.336
Combined with ulcer (yes vs no)	0.892	0.382	5.455	0.02	2.44	1.154-5.161
Preoperative SDS score (per 1-point increase)	0.062	0.021	8.722	0.003	1.064	1.021-1.109
Preoperative SSRS score (per 1-point increase)	-0.098	0.034	8.291	0.004	0.907	0.848-0.970
Constant	-9.824	2.145	20.963	< 0.001	< 0.001	-

B: Regression coefficient; SE: Standard error; OR: Odds ratio; CI: Confidence interval; SDS: Self-Rating Depression Scale; SSRS: Social Support Rating Scale.