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Chronic fatigue syndrome and high allostatic load
Elizabeth M Maloney1, Brian M Gurbaxani, James F Jones
1Centers for Disease Control and Prevention, 1600 Clifton Road, MS A-15, Atlanta, GA 30333, USA. evm3@cdc.gov
Pharmacogenomics
|April 14, 2006
Summary
Chronic fatigue syndrome (CFS) is linked to higher allostatic load, a measure of the body's wear and tear. Key indicators include waist-to-hip ratio, aldosterone, and urinary cortisol levels.
Area of Science:
- Physiology
- Medical Research
- Public Health
Background:
- Chronic Fatigue Syndrome (CFS) is a complex disorder characterized by profound fatigue.
- Allostatic load quantifies the cumulative physiological burden on the body.
Purpose of the Study:
- To investigate the association between chronic fatigue syndrome and allostatic load.
- To identify specific biomarkers contributing to this relationship.
Main Methods:
- A population-based case-control study involving 43 CFS patients and 60 healthy controls.
- Calculation of an allostatic load index using laboratory and clinical data.
- Logistic regression analysis to determine odds ratios and 95% confidence intervals.
Main Results:
- CFS patients demonstrated a 1.9-times higher likelihood of having a high allostatic load index compared to controls.
- A significant linear trend was observed in the association between allostatic load categories and CFS.
- Waist:hip ratio, aldosterone, and urinary cortisol were the strongest discriminators between CFS cases and controls.
Conclusions:
- A high level of allostatic load is associated with chronic fatigue syndrome.
- Specific physiological markers, including waist:hip ratio, aldosterone, and urinary cortisol, are significantly linked to CFS.
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