Ho-Yen, D O, McNamara, I · The British journal of general practice : the journal of the Royal College of General Practitioners · 1991
Researchers surveyed doctors in Scotland to understand how common ME/CFS is and how they view the condition. Most doctors (71%) believed ME/CFS is real, though some were uncertain. The study found about 1-2 people per 1,000 patients have ME/CFS, with more women affected than men, and it particularly affects people in their 30s and 40s.
This early epidemiological study provided important evidence that ME/CFS is a recognized clinical entity in primary care and quantified its burden on general practitioners. Understanding physician attitudes and prevalence estimates has helped shape how ME/CFS is integrated into healthcare systems and clinical training.
This study does not establish the biological mechanisms or etiology of ME/CFS—it only documents that doctors recognize patients with these symptoms. The prevalence estimates rely on physician perception and diagnostic criteria application rather than direct patient screening, so actual prevalence may differ. Cross-sectional design cannot establish causation or explain why certain occupational groups appear more affected.
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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