From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history
- 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."
- 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.