Table 2.

Pooled estimation of the vitamin D deficiency prevalence obtained from the present meta-analysis

Variables	Included studies	Sample size (n)	Pooled prevalence (%)	95% confidence interval	Heterogeneity (I2-%)
Vitamin D deficiency (total)	48	18531	61.97	52.53-71.40	99.7
Vitamin D deficiency (males)	18	5854	45.64	29.63-61.65	99.6
Vitamin D deficiency (females)	32	10868	61.90	48.85-74.96	99.9