Prevalence of fatty liver disease and the economy in China: A systematic review |
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Authors: | Jin-Zhou Zhu Qin-Yi Zhou Yu-Ming Wang Yi-Ning Dai Jiang Zhu Chao-Hui Yu You-Ming Li |
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Institution: | Jin-Zhou Zhu, Yu-Ming Wang, Yi-Ning Dai, Chao-Hui Yu, You-Ming Li, Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, ChinaQin-Yi Zhou, Department of Statistics, Columbian College of Arts and Science, The George Washington University, Washington, DC 20052, United StatesJiang Zhu, Bureau of Statistics, Municipal Government, Suqian 223800, Jiangsu Province, China |
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Abstract: | AIM: To investigate the relationship between the economy and the adult prevalence of fatty liver disease(FLD) in mainland China. METHODS: Literature searches on the Pub Med and Chinese National Knowledge Infrastructure databases were performed to identify eligible studies published before July 2014. Records were limited to crosssectional surveys or baseline surveys of longitudinal studies that reported the adult prevalence of FLD and recruited subjects from the general population or community. The gross domestic product(GDP) per capita was chosen to assess the economic status. Multiple linear regression and Loess regression were chosen to fit the data and calculate the 95%CIs. Fitting and overfitting of the models were considered in choosing the appropriate models. RESULTS: There were 27 population-based surveys from 26 articles included in this study. The pooled mean prevalence of FLD in China was 16.73%(95%CI: 13.92%-19.53%). The prevalence of FLD was correlated with the GDP per capita and survey years in the country(adjusted R2 = 0.8736, P GDP per capita = 0.00426, P years = 0.0000394), as well as in coastal areas(R2 = 0.9196, P GDP per capita = 0.00241, P years = 0.00281). Furthermore, males 19.28%(95%CI: 15.68%-22.88%)] presented a higher prevalence than females 14.1%(95%CI: 11.42%-16.61%), P = 0.0071], especially in coastal areas 21.82(95%CI: 17.94%-25.71%) vs 17.01%(95%CI: 14.30%-19.89%), P = 0.0157]. Finally, the prevalence was predicted to reach 20.21% in 2020, increasing at a rate of 0.594% per year. CONCLUSION: This study reveals a correlation between the economy and the prevalence of FLD in mainland China. |
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Keywords: | Fatty liver disease Epidemiology Gross domestic product per capita Prevalence Economy |
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