Endometriosis increased the risk of bladder pain syndrome/interstitial cystitis: A population‐based study

Chia-Chang Wu, Chia‐Chang Wu, Shiu‐Dong Chung, Herng‐Ching Lin
Neurourology and urodynamics · 2018 · vol. 37(4) , pp. 1413–1418 · doi:10.1002/nau.23462 · PMID:29318645 · W2783957873
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⚙ AI-generated summary by claude@2026-06, 2026-06-07 ⓘ

This population-based study found that women with endometriosis had a 3.74-fold increased risk of developing bladder pain syndrome/interstitial cystitis over a 3-year follow-up period.

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Abstract

OBJECTIVE: Previous studies have suggested an association between bladder pain syndrome/interstitial cystitis (BPS/IC) and endometriosis. However, no nation-wide population study has yet reported an association between them. In this study, we examined the risk of BPS/IC among subjects with endometriosis during a 3-year follow-up in Taiwan using a population-based dataset. STUDY DESIGN: This study comprised 9191 subjects with endometriosis, and 27 573 subjects randomly selected as controls. We individually followed-up each subject (n = 36 764) for a 3-year period to identify subjects subsequently diagnosed with BPS/IC. A Cox proportional hazards regression model was employed to estimate the risk of subsequent BPS/IC following a diagnosis of endometriosis. RESULTS: Incidences of BPS/IC during the 3-year follow-up period was 0.2% and 0.05% for subjects with and without endometriosis, respectively. The hazard ratio for developing BPS/IC over a 3-year period for subjects with endometriosis compared to subjects without endometriosis was 4.43 (95% CI: 2.13-9.23). After adjusting for co-morbidities like diabetes, hypertension, coronary heart disease, obesity, hyperlipidemia, chronic pelvic pain, irritable bowel syndrome, fibromyalgia, chronic fatigue syndrome, depression, panic disorder, migraines, sicca syndrome, allergies, endometriosis, asthma, tobacco use, and alcohol abuse, the Cox proportional hazards regressions revealed that the hazard ratio for BPS/IC among subjects with endometriosis was 3.74 (95% CI = 1.76-7.94, P < 0.001) compared to that in controls. CONCLUSIONS: This study provides epidemiological evidence of an association between endometriosis and a subsequent diagnosis of BPS/IC.

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Condition tags

endometriosischronic_pelvic_paininterstitial_cystitisirritable_bowel_syndrome

MeSH descriptors

Cystitis, Interstitial Cystitis, Interstitial Cystitis, Interstitial Endometriosis Endometriosis Endometriosis Pelvic Pain Pelvic Pain Pelvic Pain Adolescent Adult Comorbidity Female Humans Incidence Middle Aged Retrospective Studies Taiwan Taiwan Young Adult

Citation neighborhood

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. [ expand to 2 hops ] — adds papers reached through this work's immediate citers/citees. Heavier; up to 60 extra dots.

References (15)

Cited by (29)

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