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Ann Geriatr Med Res > Volume 20(2); 2016 > Article
Journal of the Korean Geriatrics Society 2016;20(2):102-107.
DOI: https://doi.org/10.4235/jkgs.2016.20.2.102    Published online June 30, 2016.
Vitamin D Deficiency in Nursing Home Elderly in Korea
Hye Young Jung, Mu Young Kim, Jung Man Kim, Do Wi Kim, Chae Bong Kim
<sup>1</sup>Department of Family Medicine, Seoul Medical Center, <sup>2</sup>Department of public health graduate school of Korea university
노인요양시설 거주 노인의 비타민D 결핍
정혜영<sup>1</sup>, 김무영<sup>1</sup>, 김정만<sup>1</sup>, 김도위<sup>1</sup>, 김채봉<sup>2</sup>
<sup>1</sup>서울의료원 가정의학교실, <sup>2</sup>고려대학교 보건의학교실
Abstract
BACKGROUND
Recent studies report that nursing home elderly (NHE) have significantly lower serum levels of 25-hydroxy-vitamin D (25-OHD) than community dwelling elderly (CDE); however, in Korea such studies are lacking. We aimed to compare the vitamin D status between NHE and CDE in Korea.
METHODS
This study included 203 patients over 65 years, admitted to the geriatric department of Seoul Medical Center between 01/2015 and 12/2015. Their medical records were reviewed for demographic data, type of residence, medical and drug history, serum 25-OHD, albumin, creatinine, and calcium levels, and geriatric assessment results. After excluding 36 subjects who had taken vitamin D supplements, anticonvulsants, or steroids, 33 NHE and 134 CDE were included for final analysis.
RESULTS
Almost 80% of subjects showed a vitamin D deficiency (25-OHD <20 ng/mL); 54% were severely deficient (25-OHD <10 ng/mL). NHE had a significantly lower serum 25-OHD level than CDE (5.47±2.95 ng/mL vs. 14.72±11.35 ng/mL, p<0.001). Serum 25-OHD level was related to serum albumin level, the Geriatric Depression Scale score, and the Korean version of the Mini Mental State Examination score (p=0.004, p=0.041, p=0.032, respectively). After adjustment for confounding factors using multiple logistic regression analysis, diagnosis of severe vitamin D deficiency was more likely in NHE than CDE (odds ratio, 8.72; 95% confidence interval, 1.53-49.81).
CONCLUSION
This study suggests a high prevalence of vitamin D deficiency in Korean NHE. To prevent falls and osteoporotic fractures in this population, vitamin D supplementation should be considered.
Key Words: 25-hydroxyvitamin D, Nursing homes, Osteoporosis, Accidental fall
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