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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: Endocrinol Metab Clin North Am. 2017 Sep 29;46(4):871–884. doi: 10.1016/j.ecl.2017.07.003

TABLE 2.

Prevalence of low vitamin D levels

Serum 25OHD Original Corrected values
Vitamin D deficiency < 12 ng/ml (< 30nmol/l ) 4% 6%*
Vitamin D insufficiency 12–20 ng/ml (30–50nmol/l) 22% 31%*
Vitamin D sufficiency 20–50 ng/ml (50–125nmol/L) 55% 71%*