Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
ISSN-L : 1346-9843
Renal Disease
Serum 1,25-Dihydroxyvitamin D and the Development of Kidney Dysfunction in a Japanese Community
– The Hisayama Study –
Kensuke IzumaruToshiharu NinomiyaMasaharu NagataTomoko UsuiDaigo YoshidaKoji YonemotoMasayo FukuharaKazuhiko TsuruyaTakanari KitazonoYutaka Kiyohara
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Supplementary material

2014 Volume 78 Issue 3 Pages 732-737


Background: Recent evidence indicates that vitamin D deficiency is associated with an increased risk of renal impairment, but studies addressing the influence of vitamin D deficiency on the development of chronic kidney disease (CKD) in the general Asian population have been few. Methods and Results: A total of 2,417 community-dwelling individuals without CKD stage 3–5 aged ≥40 years were followed for 5 years (mean age, 60 years; women, 59.1%). The cumulative incidence of CKD stage 3–5, defined as estimated glomerular filtration rate (eGFR) <60ml·min−1·1.73m−2, and the rate of decline in eGFR according to quartile of serum 1,25-dihydroxyvitamin D (1,25(OH)2D), were estimated. During follow-up, 378 subjects experienced CKD stage 3–5. The age- and sex-adjusted incidence of CKD stage 3–5 increased significantly with decreasing serum 1,25(OH)2D (P for trend <0.001). Compared with the highest quartile, the multivariate-adjusted odds ratio for the development of CKD stage 3–5 was 1.90 in the lowest quartile and 1.74 in the second lowest quartile, after adjusting for confounding factors. Additionally, lower serum 1,25(OH)2D was significantly associated with a greater change in eGFR (−0.10ml·min−1·1.73m−2·year−1 per 10-pg/ml decrement in serum 1,25(OH)2D). Conclusions: Lower serum 1,25(OH)2D is a significant risk factor for the development of CKD stage 3–5 in the general Asian population.  (Circ J 2014; 78: 732–737)

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