Higher levels of depression and fatigue are not significantly correlated with vitamin D deficiency in Iran, says a new study.
Researchers from the Department of Neurology at Isfahan University investigated whether lower levels of vitamin D were associated with depression or fatigue in MS patients in Iran. In 200 MS patients [154 female (77%) and 46 (23%) male], the relationship, if any, between FSS scale (measuring fatigue), BDI-PC score (measuring depression), EDSS (measuring disability) and low Vitamin D status were determined (Ashtari, 2013).
The prevalence of low vitamin D status was 48.5% (97/200). Researchers found that low vitamin D status was associated with depressive symptoms in MS patients. However, results did not reach statistical significance. There was also no significant correlation between vitamin D status and fatigue symptoms.
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Is Vitamin D Deficiency Associated with Fatigue and Depression in Iranian MS Patients?