Correlation of symptoms to serum vitamin D levels?

Background And Objective: Recent studies have shown that vitamin D plays an important role in many disease processes. However, data is lacking which correlates the common symptoms attributed with vitamin D levels. This study was undertaken to find the correlation of symptoms and Vitamin D levels among ethnic Saudi Arabian population.

Vitamin D deficiency in Saudi Arabians: A reality or simply hype: A meta-analysis (2008-2015).

Background And Objective: The objective of this systematic review was to determine from published data the prevalence of Vitamin D deficiency in the Saudi population.

Methods: An extensive and meticulous search was conducted for studies published in MEDLINE, EMBASE the Cochrane Central Register of Controlled Trials and Cochrane Database of Systematic Reviews (2008-2015), and the Science Citation Index published data from the Annals of Saudi Medicine and Saudi Medical Journal with the key words: Vitamin D deficiency, insufficiency, and Saudi Arabians. The inclusion criterion was studies published during 2008 to 2015, and studies involving healthy individuals between the age of 18 and 80 years.