Suskind, Anne M, Berry, Sandra H, Suttorp, Marika J et al. · Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation · 2013 · DOI
This study looked at how chronic conditions—including fibromyalgia, ME/CFS, and irritable bowel syndrome—affect quality of life in women with bladder pain syndrome (IC/BPS). Researchers surveyed 276 women and found that fibromyalgia and IBS were linked to significantly worse physical and mental health outcomes, while ME/CFS showed no significant association. The findings suggest that treating bladder pain syndrome effectively requires addressing other conditions a patient may have.
For ME/CFS patients, this study is relevant because it examines the overlap between ME/CFS and other chronic pain/functional disorders (IC/BPS, FM, IBS), which frequently co-occur. Understanding how these comorbidities interact with quality of life outcomes helps inform integrated treatment approaches and validates the real-world impact of multiple concurrent conditions on patient wellbeing.
This study does not prove that fibromyalgia or IBS directly cause worse outcomes in IC/BPS patients; it only shows statistical association. The cross-sectional design prevents determination of causality or temporal relationships. Additionally, the lack of significant association with ME/CFS may reflect limited statistical power or differences in symptom overlap rather than true absence of impact.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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