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From: Low Vitamin D Status despite Abundant Sun Exposure

Published bySusan Briggs Modified over 6 years ago

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Presentation on theme: "From: Low Vitamin D Status despite Abundant Sun Exposure"— Presentation transcript:

1 From: Low Vitamin D Status despite Abundant Sun Exposure
Fig. 2. Low vitamin D status in highly sun-exposed subjects. When an accepted cutpoint of 30 ng/ml is used to define low vitamin D status, 51% of these subjects (open bars) are low. From: Low Vitamin D Status despite Abundant Sun Exposure J Clin Endocrinol Metab. 2007;92(6): doi: /jc J Clin Endocrinol Metab | Copyright © 2007 by The Endocrine Society

2 From: Low Vitamin D Status despite Abundant Sun Exposure
Fig. 3. PTH and 25(OH)D. Specific 1–84 PTH or whole PTH (“CAP PTH”) was not related to serum 25(OH)D status measured by HPLC in this cohort. From: Low Vitamin D Status despite Abundant Sun Exposure J Clin Endocrinol Metab. 2007;92(6): doi: /jc J Clin Endocrinol Metab | Copyright © 2007 by The Endocrine Society

3 From: Low Vitamin D Status despite Abundant Sun Exposure
Fig. 1. Amount of sun exposure without and with sunscreen. The mean self-reported sun exposure without sunscreen use was 22.4 h (range 2–96), with a mean total of 28.9 ± 1.5 h/wk. Of this cohort, 40% reported no sunscreen use. From: Low Vitamin D Status despite Abundant Sun Exposure J Clin Endocrinol Metab. 2007;92(6): doi: /jc J Clin Endocrinol Metab | Copyright © 2007 by The Endocrine Society

4 From: Low Vitamin D Status despite Abundant Sun Exposure
Fig. 4. Comparison of 25(OH)D as measured by HPLC and RIA. Although the correlation between these assays is good, a positive bias of 6.8 ng/ml is present using the Diasorin RIA in comparison to the HPLC assay used in this study. From: Low Vitamin D Status despite Abundant Sun Exposure J Clin Endocrinol Metab. 2007;92(6): doi: /jc J Clin Endocrinol Metab | Copyright © 2007 by The Endocrine Society

5 From: Low Vitamin D Status despite Abundant Sun Exposure
Fig. 5. Circulating vitamin D<sub>3</sub> in relationship to 25(OH)D concentration. In this population of 19 individuals with a mean sun exposure without sunscreen of 20.2 h/wk and a mean sun exposure index of 10.9, low circulating vitamin D<sub>3</sub> values exist. From: Low Vitamin D Status despite Abundant Sun Exposure J Clin Endocrinol Metab. 2007;92(6): doi: /jc J Clin Endocrinol Metab | Copyright © 2007 by The Endocrine Society

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