Association of Serum Ferritin and Kidney Function with Age-Related Macular Degeneration in the General Populationopen access
- Authors
- Oh, Il Hwan; Choi, Eun Young; Park, Joon-Sung; Lee, Chang Hwa
- Issue Date
- Apr-2016
- Publisher
- PUBLIC LIBRARY SCIENCE
- Citation
- PLOS ONE, v.11, no.4, pp.1 - 11
- Indexed
- SCIE
SCOPUS
- Journal Title
- PLOS ONE
- Volume
- 11
- Number
- 4
- Start Page
- 1
- End Page
- 11
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/5094
- DOI
- 10.1371/journal.pone.0153624
- ISSN
- 1932-6203
- Abstract
- Ferritin is considered to be a marker of the body's iron stores and has a potential relationship with the systemic manifestations of inflammatory reactions. Data on the association between increased levels of serum ferritin and ocular problems are limited, particularly in relation to age-related macular degeneration (AMD). Serum ferritin levels, as a possible clinical parameter for predicting AMD, were analyzed in anthropometric, biochemical, and ophthalmologic data from a nation-wide, population-based, case-control study (KNHNES IV and V). All native Koreans aged >= 20 years and who had no medical illness were eligible to participate. Among them, 2.9% had AMD, and its prevalence was found to increase in the higher ferritin quintile groups (P-trend < 0.0001). In multiple linear regression analysis, serum ferritin level was closely related to conventional risk factors for AMD. Comparison of early AMD with a control group showed that serum ferritin levels were closely associated with AMD (OR = 1.004, 95% CI = 1.002-1.006), and further adjustment for age, gender, serum iron, and kidney function did not reduce this association (OR = 1.003, 95% CI = 1.001-1.006). Furthermore, the relationship between ferritin quintile and early AMD was dose-dependent. Thus, an increased level of serum ferritin in a healthy person may be a useful indicator of neurodegenerative change in the macula. A large population-based prospective clinical study is needed to confirm these findings.
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