Copyright
©The Author(s) 2015.
World J Methodol. Jun 26, 2015; 5(2): 68-87
Published online Jun 26, 2015. doi: 10.5662/wjm.v5.i2.68
Published online Jun 26, 2015. doi: 10.5662/wjm.v5.i2.68
Primary symptom: |
Clinically evaluated, unexplained, persistent or relapsing chronic fatigue |
That is of new or definite onset; is not the result of ongoing exertion |
That is not substantially alleviated by rest; and |
That results in substantial reduction in previous levels of occupational, educational, social, or personal activities |
Secondary symptoms: |
The concurrent occurrence of four or more of the following symptoms, all of which must have persisted or recurred during 6 or more consecutive months of illness and must not have predated the fatigue: |
Self-reported impairment in short-term memory or concentration severe enough to cause substantial reduction in previous levels of occupational, educational, social, or personal activities |
Sore throat |
Tender cervical or axillary lymph nodes |
Muscle pain |
Multi-joint pain without joint swelling or redness |
Headaches of a new type, pattern, or severity |
Unrefreshing sleep |
Post-exertional malaise lasting more than 24 h |
- Citation: Twisk FN. Accurate diagnosis of myalgic encephalomyelitis and chronic fatigue syndrome based upon objective test methods for characteristic symptoms. World J Methodol 2015; 5(2): 68-87
- URL: https://www.wjgnet.com/2222-0682/full/v5/i2/68.htm
- DOI: https://dx.doi.org/10.5662/wjm.v5.i2.68