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Public Health Nutr. 2013 Mar;16(3):544-8. doi: 10.1017/S1368980012002947. Epub 2012 Jun 13.

Year-round vitamin D deficiency among Saudi female out-patients.

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  • 1College of Applied Medical Sciences, King Saud Bin Abdulaziz University for Health Sciences, P.O. Box 2490, Riyadh, Mail code 3129/Postal Code 11426, Saudi Arabia. kananr@ksau-hs.edu.sa

Abstract

OBJECTIVE:

The aim of the present study was to investigate vitamin D status among female out-patients in Saudi Arabia during the summer and winter seasons.

DESIGN:

Data were retrospectively collected using medical record abstraction.

SETTING:

A multidisciplinary hospital in Riyadh between January and December 2009.

SUBJECTS:

Saudi females (age ≥19 years; n 1556) attending out-patient clinics for various complaints comprised the studied population. The population was subdivided into two groups depending on the date of their visit where blood samples were collected: summer (n 659) and winter groups (n 897). The summer group was further subdivided into premenopausal (age 19-49 years; n 425) and postmenopausal subgroups (age ≥50 years; n 234). Similarly, the winter group was subdivided into premenopausal (n 543) and postmenopausal subgroups (n 354). Serum levels of 25-hydroxyvitamin D (25(OH)D) were measured using HPLC.

RESULTS:

The prevalence of vitamin D deficiency (25(OH)D <50 nmol/l) was high in both premenopausal and postmenopausal groups (80 % and 68 %, respectively) during the summer, as well as during the winter (85 % and 76 %, respectively).

CONCLUSIONS:

A high prevalence of vitamin D deficiency among Saudi female out-patients was observed throughout the year despite the routine supplementation with 10-20 μg vitamin D3 for postmenopausal women. Clinicians should seriously consider determining the vitamin D status of Saudi females routinely and prescribing them proper supplementation.

[PubMed - indexed for MEDLINE]
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