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Association between serum 25-hydroxyvitamin D levels and pulmonary function, among Korean adults, during 2010-2014, by sex, age, and body mass index

Authors
 Sun-Young Shim  ;  Won-Jeong Chae  ;  Hyeon-Chang Kim  ;  Eun-Cheol Park  ;  Sung-In Jang 
Citation
 Respiratory Medicine, Vol.140 : 32-38, 2018 
Journal Title
 Respiratory Medicine 
ISSN
 0954-6111 
Issue Date
2018
Keywords
Epidemiology ; Pulmonary function ; Serum 25-hydroxyvitamin D
Abstract
BACKGROUND: This study examined the association between serum 25-hydroxyvitamin D (25(OH)D) and pulmonary function, among Korean adults, from 2010 to 2014. METHODS: The data were obtained from the fifth Korea National Health and Nutrition Examination Survey (KNHANES 5), and the first and second year (2013-2014) of KNHANES 6. The study population comprised 14,378 individuals. The variable of interest was serum 25(OH)D, and the dependent variable, pulmonary function. RESULTS: All people with vitamin D levels below 30ng/ml had lower lung functions, which was significant in lower forced expiratory volume in the first second (FEV1) (serum 25(OH)D<10ng/ml, 20 to <30ng/ml: P=.001, 10 to <20ng/ml: P=0) and forced vital capacity (FVC) (serum 25(OH)D level <10ng/ml: P=.01, 10 to<20ng/ml: P=.001, 20 to <30ng/ml: P=.008). The lower the serum 25(OH)D, the lower the levels of FEV1 in men and this was significant. (serum 25(OH)D<10ng/ml: P=.007, 10 to <20ng/ml: P=.002, 20 to <30ng/ml: P=.007). The values of FEV1 and FVC were lower in people aged 50-69 years when vitamin D was lower than 30ng/ml which were all significant. Among participants with BMI values<23kg/m(2), lower vitamin D levels were significantly associated with lower pulmonary function. CONCLUSIONS: We found a significant association between serum 25(OH)D and pulmonary function, and this was related to sex, age and body mass index.
Full Text
https://www.sciencedirect.com/science/article/pii/S0954611118301598
DOI
10.1016/j.rmed.2018.05.011
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyeon Chang(김현창) ORCID logo https://orcid.org/0000-0001-7867-1240
Park, Eun-Cheol(박은철) ORCID logo https://orcid.org/0000-0002-2306-5398
Jang, Sung In(장성인) ORCID logo https://orcid.org/0000-0002-0760-2878
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/162421
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