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J Clin Endocrinol Metab. 2011 Dec;96(12):3838-45. doi: 10.1210/jc.2011-1600. Epub 2011 Sep 28.

Association of glucocorticoid use and low 25-hydroxyvitamin D levels: results from the National Health and Nutrition Examination Survey (NHANES): 2001-2006.

Author information

1
Division of Pediatric Nephrology, Albert Einstein College of Medicine, The Children's Hospital at Montefiore, Bronx, New York 10467, USA. skversal@gmail.com

Abstract

CONTEXT:

In many disorders requiring steroid therapy, there is substantial decrease in bone mineral density. The association between steroid use and 25-hydroxyvitamin D [25(OH)D] deficiency has not been confirmed in large population-based studies, and currently there are no specific vitamin D recommendations for steroid users.

OBJECTIVE:

The aim of the study was to evaluate the association of serum 25(OH)D deficiency [defined as 25(OH)D <10 ng/ml] with oral steroid use.

DESIGN:

Cross-sectional analysis was performed using NHANES 2001-2006.

SETTING:

We analyzed a nationally representative sample of U.S. children and adults.

PARTICIPANTS:

The study sample consisted of children, adolescents, and adults from NHANES 2001-2006 (n = 22,650), representative of 286 million U.S. residents, with serum 25(OH)D levels and data on other potential confounders.

MAIN OUTCOME MEASURE:

We measured serum 25(OH)D levels below 10 ng/ml.

RESULTS:

A total of 181 individuals (0.9% of the population) used steroids within the past 30 d. Overall, 5% of the population had 25(OH)D levels below 10 ng/ml. Among steroid users, 11% had 25(OH)D levels below 10 ng/ml, compared to 5% among steroid nonusers (P = 0.009). The odds of having 25(OH)D deficiency were 2-fold higher in those who reported steroid use compared to those without steroid use [odds ratio (OR), 2.36; 95% confidence interval (CI), 1.25, 4.45]. This association remained after multivariable adjustment (OR, 2.21; 95% CI, 1.01, 4.85) and in a multivariable model using NHANES III data (OR, 1.88; 95% CI, 1.01, 3.48).

CONCLUSION:

Steroid use is independently associated with 25(OH)D deficiency in this nationally representative cohort limited by cross-sectional data. It suggests the need for screening and repletion in patients on chronic steroids.

PMID:
21956424
PMCID:
PMC3232615
DOI:
10.1210/jc.2011-1600
[Indexed for MEDLINE]
Free PMC Article

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