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. 2023 Nov 28:15:1865-1882.
doi: 10.2147/IJWH.S430252. eCollection 2023.

Association Between Endometriosis and Mental Disorders Including Psychiatric Disorders, Suicide, and All-Cause Mortality -A Nationwide Population-Based Cohort Study in Taiwan

Tsan-Min Wang  1 , Yi-Liang Lee  2   3 , Chi-Hsiang Chung  1   4   5 , Chien-An Sun  6   7 , Chieh-Yi Kang  8 , Gwo-Jang Wu  1   2   9 , Wu-Chien Chien  1   4   5   10
Affiliations

Association Between Endometriosis and Mental Disorders Including Psychiatric Disorders, Suicide, and All-Cause Mortality -A Nationwide Population-Based Cohort Study in Taiwan

Tsan-Min Wang et al. Int J Womens Health. .

Abstract

Objective: A multitude of previous studies has substantiated that endometriosis correlated highly with psychiatric health. This study aims to investigate the association between endometriosis and psychiatric health.

Methods: Utilizing the National Health Insurance Research Database of Taiwan, 100,770 enrolled participants, including 20,154 patients with endometriosis and 80,616 in the control group (1:4), matched for age, and index date from Taiwan's Longitudinal Health Insurance Database between January 1, 2000, and December 31, 2015. The Cox proportional regression model was used to compare the risk of mental disorders during the 16 years of follow-up after adjusting for confounding factors.

Results: Of the study patients, 4083 (20.26%) developed mental disorders; 9225 of the 80,616 controls (11.44%) developed mental disorders. The Cox regression demonstrated that, after adjusting for age, monthly income, urbanization level, etc., people with endometriosis are more likely to suffer from mental disorders compared to those without endometriosis (hazard ratio [HR]=2.131; 95% confidence interval [CI]= 1.531-2.788; p<0.001). The result illustrated that women over 40 years old had a more significant risk.

Conclusion: Compared to people without endometriosis, this study provides evidence that patients with endometriosis are at a 2.131-fold higher risk of developing mental disorders, especially in elder women. Regular psychiatric follow-up might be needed for those patients.

Keywords: Taiwan; cohort study; endometriosis; mental disorders; national health insurance research database; women.

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Conflict of interest statement

The authors report no conflicts of interest in this work.

Figures

Figure 1
Figure 1
The flowchart of this study.
Figure 2
Figure 2
Kaplan-Meier for survival of mental disorders among aged 18–49 women stratified by endometriosis with Log rank test.
See this image and copyright information in PMC

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Grants and funding

The study was supported by the Medical Affairs Bureau, the Ministry of Defense of Taiwan (MND-MAB-D–111134), the Tri-Service General Hospital Research Foundation (TSGH-B-112020; TSGH-A-112003), and by research grants from the Chi Mei Medical Center (CMNDMC10208; CMNDMC10304), and the sponsor has no role in study design, data collection and analysis, preparation of the manuscript, and decision to publish.