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Free Content Vitamin D and calcium levels in Ugandan adults with human immunodeficiency virus and tuberculosis

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BACKGROUND: Vitamin D increases cathelicidin production, and might alter mortality due to tuberculosis (TB) in human immunodeficiency virus (HIV) coinfection. However, due to abundant sun exposure, vita min D levels might be excellent among Ugandans with HIV and TB. METHODS: We measured 25(OH)D and calcium levels in 50 HIV-negative, 50 HIV-infected and 50 TB-HIV coinfected Ugandan adults. RESULTS: Mean ± standard deviation 25(OH)D levels were 26 ± 7 ng/ml in HIV-negative, 28 ± 11 ng/ml in HIV-infected and 24 ± 11 ng/ml in TB-HIV co-infected adults (P > 0.05 all comparisons). Vitamin D deficiency (< 12 ng/ml) was present in 10% of the HIV-infected subjects, 12% of the TB-HIV co-infected and none of the healthy controls (P = 0.03 for healthy vs. TB, P > 0.05 for other comparisons); 20% of the healthy con- trols, 22% of the HIV-positive and 38% of the TB-HIV co-infected subjects (P = 0.047 for healthy vs. TB, P > 0.05 for other comparisons) had suboptimal vitamin D levels (< 20 ng/ml). No participant had hypercalcemia. Serum 25(OH)D levels correlated positively with body mass index (r = 0.22, P = 0.03) and serum calcium levels (r = 0.18, P = 0.03). CONCLUSIONS: Ugandan HIV-infected adults with and without TB commonly had suboptimal vitamin D levels. Clinical trials are needed to evaluate the effect of vitamin D on health outcomes in HIV-infected patients with low vitamin D levels.
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Keywords: CALCIUM; HIV; TUBERCULOSIS; VITAMIN D

Document Type: Research Article

Affiliations: 1: Mbarara University of Science and Technology/Teaching Hospital, Mbarara, Uganda 2: Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA 3: Department of Pediatrics, University of Minnesota Medical School, Rochester, Minnesota, USA

Publication date: November 1, 2011

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  • The International Journal of Tuberculosis and Lung Disease publishes articles on all aspects of lung health, including public health-related issues such as training programmes, cost-benefit analysis, legislation, epidemiology, intervention studies and health systems research. The IJTLD is dedicated to the continuing education of physicians and health personnel and the dissemination of information on tuberculosis and lung health world-wide.

    Certain IJTLD articles are selected for translation into French, Spanish, Chinese or Russian. They are available on the Union website

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