Incidence and influencing factors of post-traumatic stress symptoms in patients after surgery for acute intestinal obstruction

Table 7 Univariate logistic regression analysis of influencing factors of post-traumatic stress symptoms

Variable	Coding	β	SE	Wald χ2	P value	OR	95%CI
Gender	Male = 0, female = 1	0.179	0.236	0.575	0.448	1.196	0.752-1.903
Age	Continuous variable	0.01	0.009	1.284	0.257	1.01	0.993-1.028
BMI	Continuous variable	-0.038	0.039	0.952	0.329	0.963	0.892-1.039
Education level	Junior high and below = 1, high school/vocational = 2, college and above = 3	-0.385	0.174	4.897	0.027	0.68	0.484-0.956
Marital status	Married = 0, unmarried/divorced/widowed = 1	0.506	0.347	2.126	0.145	1.659	0.840-3.277
Etiology of intestinal obstruction	Adhesive = 1, incarcerated hernia = 2, neoplastic = 3, other = 4	0.126	0.123	1.051	0.305	1.134	0.891-1.443
Obstruction site	High small intestine = 1, low small intestine = 2, colon = 3	0.145	0.127	1.303	0.254	1.156	0.901-1.483
Obstruction type	Simple = 0, strangulated = 1	0.849	0.296	8.227	0.004	2.337	1.308-4.176
Time from onset to surgery	Continuous variable	0.018	0.008	5.624	0.018	1.018	1.003-1.034
Surgical approach	Laparoscopic = 0, open = 1	1.234	0.287	18.473	< 0.001	3.435	1.958-6.027
Surgical duration	Continuous variable	0.005	0.002	6.854	0.009	1.005	1.001-1.009
Intraoperative blood loss	Continuous variable	0.003	0.001	5.342	0.021	1.003	1.000-1.005
Intestinal resection	No = 0, yes = 1	0.768	0.254	9.154	0.002	2.155	1.310-3.547
Stoma	No = 0, yes = 1	1.082	0.279	15.047	< 0.001	2.95	1.709-5.094
Postoperative complications	No = 0, yes = 1	1.082	0.262	17.049	< 0.001	2.95	1.766-4.929
Repeat surgery	No = 0, yes = 1	0.969	0.326	8.83	0.003	2.635	1.392-4.989
24-hour postoperative pain during activity	Continuous variable	0.412	0.098	17.632	< 0.001	1.51	1.246-1.830

BMI: Body mass index; OR: Odds ratio; CI: Confidence interval.