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Severe vitamin D deficiency is a risk factor for renal hyperfiltration

 Jong Hyun Jhee  ;  Ki Heon Nam  ;  Seong Yeong An  ;  Min-Uk Cha  ;  Misol Lee  ;  Seohyun Park  ;  Hyoungnae Kim  ;  Hae-Ryong Yun  ;  Youn Kyung Kee  ;  Jung Tak Park  ;  Seung Hyeok Han  ;  Shin-Wook Kang  ;  Tae-Hyun Yoo 
 AMERICAN JOURNAL OF CLINICAL NUTRITION, Vol.108(6) : 1342-1351, 2018 
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Background: Vitamin D deficiency is associated with renal progression in chronic kidney disease. Moreover, improvement of clinical outcomes after vitamin D supplementation has been reported in the diabetic and chronic kidney disease population. Objective: We investigated the association between renal hyperfiltration (RHF) and vitamin D status in a relatively healthy population. Design: Data were retrieved from the Korean NHANES, a nationwide population-based cross-sectional study from 2008 to 2015. Overall, 33,210 subjects with normal renal function were included in the final analysis. Severe vitamin D deficiency was defined as serum 25-hydroxyvitamin D concentration <10 ng/mL. RHF was defined as estimated glomerular filtration rate with residual in the >95th percentile after adjustment for age, sex, height, weight, and history of hypertension or diabetes. Results: The mean ± SD age of subjects was 48.1 ± 15.9 y, and the number of women was 18,779 (56.5%). Estimated glomerular filtration rate was negatively associated with serum 25-hydroxyvitamin D concentrations in multivariable linear regression analysis (β: -0.02; 95% CI: -0.02, -0.01; P < 0.001). Furthermore, 1637 (4.9%) subjects were categorized into the RHF group, and the prevalence of RHF was significantly higher in the severe vitamin D deficiency group than in the sufficiency group (5.8% compared with 5.0%, P < 0.001). In a multivariable logistic regression model, severe vitamin D deficiency was a significant risk factor for RHF (OR: 2.41; 95% CI, 1.72, 3.43; P < 0.001). Conclusions: Severe vitamin D deficiency is significantly associated with increasing prevalence of RHF in a relatively healthy adult population.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Shin Wook(강신욱) ORCID logo https://orcid.org/0000-0002-5677-4756
Kee, Youn Kyung(기연경)
Kim, Hyoung Rae(김형래)
Nam, Ki Heon(남기헌) ORCID logo https://orcid.org/0000-0001-7312-7027
Park, Seo Hyun(박서현)
Park, Jung Tak(박정탁) ORCID logo https://orcid.org/0000-0002-2325-8982
An, Seong Yeong(안성영)
Yoo, Tae Hyun(유태현) ORCID logo https://orcid.org/0000-0002-9183-4507
Yun, Hae Ryong(윤해룡) ORCID logo https://orcid.org/0000-0002-7038-0251
Lee, Mi Sol(이미솔)
Cha, Min Uk(차민욱)
Han, Seung Hyeok(한승혁) ORCID logo https://orcid.org/0000-0001-7923-5635
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