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Vitamin D status of the elderly in relation to age and exposure to sunlight.
Hum Nutr Clin Nutr. 1984 Mar; 38(2):131-7.HN

Abstract

Vitamin D status was assessed in 929 men and women aged 65 years and over during a nutrition survey lasting 56 weeks. Concentrations of 25-hydroxyvitamin D (25-OHD) measured in plasma samples showed a seasonal variation, being significantly higher in summer than in winter, and correlated with exposure to sunlight as measured by a 'sunshine score'. Regression analysis showed that 25-OHD concentrations fell with advancing age in both men and women and in summer and winter and approached the same value (about 10 ng/ml) at about the age of 95. This fall has implications in the occurrence of osteomalacia among the elderly and the increasing incidence with age of fractures of the femoral neck.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

6706689

Citation

Dattani, J T., et al. "Vitamin D Status of the Elderly in Relation to Age and Exposure to Sunlight." Human Nutrition. Clinical Nutrition, vol. 38, no. 2, 1984, pp. 131-7.
Dattani JT, Exton-Smith AN, Stephen JM. Vitamin D status of the elderly in relation to age and exposure to sunlight. Hum Nutr Clin Nutr. 1984;38(2):131-7.
Dattani, J. T., Exton-Smith, A. N., & Stephen, J. M. (1984). Vitamin D status of the elderly in relation to age and exposure to sunlight. Human Nutrition. Clinical Nutrition, 38(2), 131-7.
Dattani JT, Exton-Smith AN, Stephen JM. Vitamin D Status of the Elderly in Relation to Age and Exposure to Sunlight. Hum Nutr Clin Nutr. 1984;38(2):131-7. PubMed PMID: 6706689.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Vitamin D status of the elderly in relation to age and exposure to sunlight. AU - Dattani,J T, AU - Exton-Smith,A N, AU - Stephen,J M, PY - 1984/3/1/pubmed PY - 1984/3/1/medline PY - 1984/3/1/entrez SP - 131 EP - 7 JF - Human nutrition. Clinical nutrition JO - Hum Nutr Clin Nutr VL - 38 IS - 2 N2 - Vitamin D status was assessed in 929 men and women aged 65 years and over during a nutrition survey lasting 56 weeks. Concentrations of 25-hydroxyvitamin D (25-OHD) measured in plasma samples showed a seasonal variation, being significantly higher in summer than in winter, and correlated with exposure to sunlight as measured by a 'sunshine score'. Regression analysis showed that 25-OHD concentrations fell with advancing age in both men and women and in summer and winter and approached the same value (about 10 ng/ml) at about the age of 95. This fall has implications in the occurrence of osteomalacia among the elderly and the increasing incidence with age of fractures of the femoral neck. SN - 0263-8290 UR - https://www.unboundmedicine.com/medline/citation/6706689/Vitamin_D_status_of_the_elderly_in_relation_to_age_and_exposure_to_sunlight_ L2 - https://medlineplus.gov/vitamind.html DB - PRIME DP - Unbound Medicine ER -