The frequency of early age-related macular degeneration and its relationship with dietary pattern in Hunan, China: a cross-sectional study

Abstract Purpose To estimate the frequency of age-related macular degeneration (AMD) among people who underwent health examination in Hunan, China and to determine the relationship between dietary pattern and the risk of AMD. Methods The Questionnaire was used to collect dietary data from 56,775 stu...

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Main Authors: Yanhui Lin, Ting Peng, Ying Li, Yu Liu
Format: Article
Language:English
Published: BMC 2022-07-01
Series:BMC Ophthalmology
Subjects:
Online Access:https://doi.org/10.1186/s12886-022-02549-x
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author Yanhui Lin
Ting Peng
Ying Li
Yu Liu
author_facet Yanhui Lin
Ting Peng
Ying Li
Yu Liu
author_sort Yanhui Lin
collection DOAJ
description Abstract Purpose To estimate the frequency of age-related macular degeneration (AMD) among people who underwent health examination in Hunan, China and to determine the relationship between dietary pattern and the risk of AMD. Methods The Questionnaire was used to collect dietary data from 56,775 study participants of ≥ 50 years old who underwent health examination at the Department of Health Management, the Third Xiangya Hospital of Central South University between January 2017 and December 2019. The diagnosis of AMD was based on the results of color fundus photography (CFP), spectral-domain optical coherence tomography (OCT) and multispectral imaging (MSI). After excluding participants with incomplete records or other ocular disease that may affect the results of fundus examination, a total of 43,672 study participants were included. The univariate and multivariate logistic regression analyses were used to determine the relationship between dietary pattern and the frequency of AMD. Results Among the 43,672 study participants, 1080 (2.5%) had early AMD: the frequencies were 2.6% (n = 674) in men and 2.3% (n = 406) in women; the frequencies were 1.0% (n = 289), 3.6% (n = 401), 9.1% (n = 390) in 50–59, 60–69, ≥ 70 years old, respectively. And the age-standard frequency was 6.6% over the 60 years old in Hunan China. The high-salt intake increased the risk of early AMD [odds ratio (OR) = 1.61, 95% confidence interval (CI) = 1.54–1.68], whereas the intake of meat decreased the risk (OR = 0.90, 95% CI = 0.81–0.99). Conclusion In Hunan China, there was a high frequency of early AMD detected through health examination over the 60 years old. And high-salt intake increases the risk of early AMD, whereas intake of meat decreases the risk. Modulating the dietary pattern and reducing the salt intake as an AMD prevention strategy warrant further study.
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spelling doaj.art-7ff84eb401d94c9ca26a7f044a20fb722022-12-22T00:58:27ZengBMCBMC Ophthalmology1471-24152022-07-0122111110.1186/s12886-022-02549-xThe frequency of early age-related macular degeneration and its relationship with dietary pattern in Hunan, China: a cross-sectional studyYanhui Lin0Ting Peng1Ying Li2Yu Liu3Health Management Center, The Third Xiangya Hospital, Central South UniversityHealth Management Center, The Third Xiangya Hospital, Central South UniversityHealth Management Center, The Third Xiangya Hospital, Central South UniversityDepartment of Ophthalmology, The Third Xiangya Hospital, Central South UniversityAbstract Purpose To estimate the frequency of age-related macular degeneration (AMD) among people who underwent health examination in Hunan, China and to determine the relationship between dietary pattern and the risk of AMD. Methods The Questionnaire was used to collect dietary data from 56,775 study participants of ≥ 50 years old who underwent health examination at the Department of Health Management, the Third Xiangya Hospital of Central South University between January 2017 and December 2019. The diagnosis of AMD was based on the results of color fundus photography (CFP), spectral-domain optical coherence tomography (OCT) and multispectral imaging (MSI). After excluding participants with incomplete records or other ocular disease that may affect the results of fundus examination, a total of 43,672 study participants were included. The univariate and multivariate logistic regression analyses were used to determine the relationship between dietary pattern and the frequency of AMD. Results Among the 43,672 study participants, 1080 (2.5%) had early AMD: the frequencies were 2.6% (n = 674) in men and 2.3% (n = 406) in women; the frequencies were 1.0% (n = 289), 3.6% (n = 401), 9.1% (n = 390) in 50–59, 60–69, ≥ 70 years old, respectively. And the age-standard frequency was 6.6% over the 60 years old in Hunan China. The high-salt intake increased the risk of early AMD [odds ratio (OR) = 1.61, 95% confidence interval (CI) = 1.54–1.68], whereas the intake of meat decreased the risk (OR = 0.90, 95% CI = 0.81–0.99). Conclusion In Hunan China, there was a high frequency of early AMD detected through health examination over the 60 years old. And high-salt intake increases the risk of early AMD, whereas intake of meat decreases the risk. Modulating the dietary pattern and reducing the salt intake as an AMD prevention strategy warrant further study.https://doi.org/10.1186/s12886-022-02549-xAge-related macular degenerationDietary patternFrequencySalt intakeHealth examination
spellingShingle Yanhui Lin
Ting Peng
Ying Li
Yu Liu
The frequency of early age-related macular degeneration and its relationship with dietary pattern in Hunan, China: a cross-sectional study
BMC Ophthalmology
Age-related macular degeneration
Dietary pattern
Frequency
Salt intake
Health examination
title The frequency of early age-related macular degeneration and its relationship with dietary pattern in Hunan, China: a cross-sectional study
title_full The frequency of early age-related macular degeneration and its relationship with dietary pattern in Hunan, China: a cross-sectional study
title_fullStr The frequency of early age-related macular degeneration and its relationship with dietary pattern in Hunan, China: a cross-sectional study
title_full_unstemmed The frequency of early age-related macular degeneration and its relationship with dietary pattern in Hunan, China: a cross-sectional study
title_short The frequency of early age-related macular degeneration and its relationship with dietary pattern in Hunan, China: a cross-sectional study
title_sort frequency of early age related macular degeneration and its relationship with dietary pattern in hunan china a cross sectional study
topic Age-related macular degeneration
Dietary pattern
Frequency
Salt intake
Health examination
url https://doi.org/10.1186/s12886-022-02549-x
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