S Ristic1, S S Kocic2, D R Milovanovic3, G Mihajlovic4, N Mihailovic2, A T Lucic5, S Zivanovic6. 1. Institute for Oncology and Radiology of Serbia, Belgrade, Serbia. 2. Department of Social Medicine, Institute of Public Health Kragujevac, Faculty of Medical Sciences University of Kragujevac, Kragujevac, Serbia. 3. Department of Clinical Pharmacology, Clinical Centre "Kragujevac", Faculty of Medical Sciences University of Kragujevac, Kragujevac, Serbia. 4. Clinic for Psychiatry, Clinical Centre "Kragujevac", Faculty of Medical Sciences University of Kragujevac, Kragujevac, Serbia. 5. Clinic for Internal Diseases, Clinical Centre "Kragujevac", Faculty of Medical Sciences University of Kragujevac, Kragujevac, Serbia. 6. Faculty of Hotel Management and Tourism, Department of Natural and Medical Science University of Kragujevac, Vrnjacka Banja, Serbia.
Abstract
CONTEXT: Clinical research suggests that vitamin D deficiency correlates with mental illnesses. OBJECTIVE: The aim was to prove that the patients from the psychiatric health care service in Serbia had higher vitamin D deficiency than patients from general practice. DESIGN: The study had a cross-sectional design. METHODS: The study included 47 patients aged 19 - 76 of both sexes with different mental disorders. We performed sample size calculation on available data for vitamin D deficiency in patients in health care facilities compared with the general population. The concentrations of vitamin D in serums were measured by HPLC (high performance/pressure liquid chromatography). RESULTS: The mean value of vitamin D (standard deviation) in the whole group of study subjects was 16.27(10.62) ng/mL; 68.1% of the patients had a deficiency of vitamin D (25(OH)D<20 ng/mL). The difference is statistically significant from expected proportion of people with vitamin D deficiency in general practice (p=0.040). Serum concentrations of 25(OH)D were significantly correlated with serum concentrations of phosphorus (ϱ=0.336, p=0.024) and sodium (ϱ=0.304, p=0.038). CONCLUSIONS: The patients of psychiatry health care had significantly higher frequency of vitamin D deficiency than expected. There is a significant association between serum levels of vitamin D, and phosphate and sodium.
CONTEXT: Clinical research suggests that vitamin D deficiency correlates with mental illnesses. OBJECTIVE: The aim was to prove that the patients from the psychiatric health care service in Serbia had higher vitamin D deficiency than patients from general practice. DESIGN: The study had a cross-sectional design. METHODS: The study included 47 patients aged 19 - 76 of both sexes with different mental disorders. We performed sample size calculation on available data for vitamin D deficiency in patients in health care facilities compared with the general population. The concentrations of vitamin D in serums were measured by HPLC (high performance/pressure liquid chromatography). RESULTS: The mean value of vitamin D (standard deviation) in the whole group of study subjects was 16.27(10.62) ng/mL; 68.1% of the patients had a deficiency of vitamin D (25(OH)D<20 ng/mL). The difference is statistically significant from expected proportion of people with vitamin D deficiency in general practice (p=0.040). Serum concentrations of 25(OH)D were significantly correlated with serum concentrations of phosphorus (ϱ=0.336, p=0.024) and sodium (ϱ=0.304, p=0.038). CONCLUSIONS: The patients of psychiatry health care had significantly higher frequency of vitamin D deficiency than expected. There is a significant association between serum levels of vitamin D, and phosphate and sodium.
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