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Abstract

Objective:
To determine prevalence of Vitamin D deficiency among patients presenting with chronic fatigue syndrome (CFS).
Methods:
This study employed a cross-sectional design, involving 138 participants aged between 18 and 65 years, inclusive of all genders. All participants had a confirmed diagnosis of CFS persisting for at least four weeks. A sample of three milliliters of blood was collected from each participant for vitamin D testing.  Individuals were classified as vitamin D deficient if their blood vitamin D concentration was below 20 nanograms per milliliter.
Results:
The mean age of patients was 39.5±11.9 years. The mean duration of their illness was 3.4 ± 1.3 months. Male participants numbered 117, comprising about 69.6% of the total patients. Out of 168 patients, 124 (73.81%) had vitamin D deficiency.
Conclusion:
There is a high prevalence of vitamin D deficiency in patients presenting with CFS. Therefore, vitamin D screening should be conducted in all patients with CFS.