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Circulating Fibroblast Growth Factor-23 Levels are Associated with an Increased Risk of Anemia Development in Patients with Nondialysis Chronic Kidney Disease

Authors
 Ki Heon Nam  ;  Hyoungnae Kim  ;  Seong Yeong An  ;  Misol Lee  ;  Min-Uk Cha  ;  Jung Tak Park  ;  Tae-Hyun Yoo  ;  Kyu-Beck Lee  ;  Yeong-Hoon Kim  ;  Su-Ah Sung  ;  Joongyub Lee  ;  Shin-Wook Kang  ;  Kyu Hun Choi  ;  Curie Ahn  ;  Seung Hyeok Han 
Citation
 Scientific Reports, Vol.8(1) : 7294, 2018 
Journal Title
 Scientific Reports 
Issue Date
2018
Abstract
Fibroblast growth factor-23 (FGF23) is an established biomarker of adverse outcomes in patients with chronic kidney disease (CKD). Several cross-sectional studies have suggested a possible association between FGF23 and anemia in these patients. In this large-scale prospective cohort study, we investigated this relationship and examined whether high FGF23 levels increase the risk of incident anemia. This prospective longitudinal study included 2,089 patients from the KoreaN cohort study for Outcome in patients With CKD. Anemia was defined as hemoglobin level <13.0 g/dl (men) and <12.0 g/dl (women). Log-transformed FGF23 significantly correlated with hepcidin but inversely correlated with iron profiles and hemoglobin. Multivariate logistic regression showed that log-transformed FGF23 was independently associated with anemia (odds ratio [OR], 1.14; 95% confidence interval [CI], 1.04-1.24, P = 0.01). Among 1,164 patients without anemia at baseline, 295 (25.3%) developed anemia during a median follow-up of 21 months. In fully adjusted multivariable Cox models, the risk of anemia development was significantly higher in the third (hazard ratio [HR], 1.66; 95% CI, 1.11-2.47; P = 0.01) and fourth (HR, 1.84; 95% CI, 1.23-2.76; P = 0.001) than in the first FGF23 quartile. In conclusion, high serum FGF23 levels were associated with an increased risk for anemia in patients with nondialysis CKD.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/162331
DOI
10.1038/s41598-018-25439-z
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실)
Yonsei Authors
강신욱(Kang, Shin Wook) ; 김형래(Kim, Hyoung Rae) ; 남기헌(Nam, Ki Heon) ; 박정탁(Park, Jung Tak) ; 안성영(An, Seong Yeong) ; 유태현(Yoo, Tae Hyun) ; 이미솔(Lee, Mi Sol) ; 차민욱(Cha, Min Uk) ; 최규헌(Choi, Kyu Hun) ; 한승혁(Han, Seung Hyeok)
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