• 1. School of Nursing, Chengdu Medical College, Chengdu, Sichuan 610083, P. R. China;
  • 2. Nursing Department, Chengdu Jinxin Psychiatric Hospital, Chengdu, Sichuan 610011, P. R. China;
  • 3. Nursing Department, Dujiangyan Mental Health Center, Chengdu, Sichuan 611830, P. R. China;
  • 4. Nursing Department, the Fourth People’s Hospital of Pengzhou, Chengdu, Sichuan 611900, P. R. China;
  • 5. Psychiatric Rehabilitation Department, the Fourth People’s Hospital of Pengzhou, Chengdu, Sichuan 611900, P. R. China;
  • 6. Nursing Department, the Fourth People’s Hospital of Chengdu, Chengdu, Sichuan 610036, P. R. China;
WU Dongmei, Email: wudongmei_2001@163.com
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Objective  To investigate the status and influencing factors of psychosis-related post-traumatic stress disorder (PR-PTSD) in hospitalized patients with schizophrenia. Methods  A questionnaire survey was conducted among the hospitalized patients with schizophrenia in three grade Ⅱ or above psychiatric hospitals in Chengdu between March and July, 2022, using the convenient sampling method. Questionnaires included the General Information Questionnaire, Impact of Event Scale-revised (IES-R), Self-rating Depression Scales, Simplified Coping Style Questionnaire, and Intolerance of Uncertainty Scale. If the score showed skewed distribution, it was expressed by the median (lower quartile, upper quartile). According to IES-R score, the patients included were divided into 2 groups. The patients whose score ≥33 were divided into PR-PTSD group, and <33 were divided into non-PR-PTSD group. The general information of the two groups of patients were compared. The correlation between PR-PTSD and depression, coping style and intolerance of uncertainty of the included patients were analyzed. The factors affecting the PR-PTSD of hospitalized patients with schizophrenia were analyzed by multivariate binary logistic regression analysis. Results  A total of 388 patients were included. Among them, there were 282 cases in the non-PR-PTSD group and 106 cases in the PR-PTSD group. The IES-R score was 23.00 (15.00, 33.00), the depression score was 45.00 (38.00, 53.00), the negative coping style score was 11.00 (8.00, 14.75), the positive coping style score was 20.00 (16.00, 25.00), and the intolerance of uncertainty score was 28.00 (22.25, 33.00). IES-R was positively correlated with depression (r=0.370, P<0.001), negative coping style (r=0.396, P<0.001), positive coping style (r=0.111, P=0.029) and intolerance of uncertainty (r=0.467, P<0.001). Regression analysis showed that depression [(odds ratio, OR)=1.073, 95% confidence interval (CI) (1.043, 1.105), P<0.001)], negative coping style [OR=1.121, 95%CI (1.040, 1.208), P=0.003], intolerance of uncertainty [OR=1.081, 95%CI (1.045, 1.118), P<0.001] were the influencing factors of PR-PTSD in hospitalized patients with schizophrenia. Conclusions  The prevalence of PR-PTSD in hospitalized patients with schizophrenia is high. Depression, negative coping style and intolerance of uncertainty are the risk factors for PR-PTSD in hospitalized schizophrenia patients.

Citation: MA Xiucheng, HOU Xiaofeng, YANG Cui, JIAN Na, YAN Mao, GAN Qianjiao, TANG Xiaowei, WU Dongmei. Status and influencing factors of psychosis-related post-traumatic stress disorder in hospitalized patients with schizophrenia. West China Medical Journal, 2023, 38(4): 574-580. doi: 10.7507/1002-0179.202208021 Copy

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