From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history
- 87.1% - 90.1% of the 2073 patients in a Belgian study of 2001 reported myalgia.
- Katrina Berne reports a prevalence of 65-95% for muscle and/or joint pain, neck pain.
- In the Canadian Consensus Criteria, pain is a required criteria for diagnosis. It requires that "there is a significant degree of myalgia. Pain can be experienced in the muscles, and/or joints, and is often widespread and migratory in nature. Often there are significant headaches of new type, pattern or severity."
- In the Fukuda criteria, the symptom of muscle pain can be used to help form a diagnosis.
- In the Holmes criteria, muscle discomfort or myalgia is an optional criteria for diagnosis, under the section Minor Symptom Criteria.
- De Becker, P; McGregor, N; De Meirleir, K (Sep 2001), "A definition-based analysis of symptoms in a large cohort of patients with chronic fatigue syndrome.", Journal of Internal Medicine, 250 (3): 234-240, PMID 11555128
- Berne, Katrina (1 Dec 1995), Running on Empty: The Complete Guide to Chronic Fatigue Syndrome (CFIDS), 2nd ed., Hunter House, p. 58, ISBN 978-0897931915
- A Clinical Case Definition and Guidelines for Medical Practitioners: An Overview of the Canadian Consensus Document Pg 8. 2005.
- The CDC (Fukuda 1994) Definition for Chronic Fatigue Syndrome
- The 1988 Holmes Definition for CFS