Abstract
Background:Diabetic retinopathy (DR) is one of the serious complications of diabetes mellitus. Without further treatment, it can evolve into the stage of proliferation, which will lead to the formation of new blood vessels, vitreous hemorrhage, or anterior retinal hemorrhage, which will lead to severe vision loss and increase the risk of blindness.Methods:The research literature on the risk factors of diabetic retinopathy published as of July 1, 2020 was searched through MEDLINE, Embase, ovid, Web of Science, Wanfang, CNKI, and other databases, The search strategy has been first developed in MEDLINE using MeSH subject headings combined with free-text terms and Stata12.0 software was used for meta-analysis.Results:This study is ongoing and the results will be submitted to a peer-reviewed journal for publication.Ethics and dissemination:Ethical approval is not applicable, since this is an overview based on published articles.Protocol registration number:The registration number is INPLASY202070107, the DOI number is 10.37766/inplasy2020.7.0107.
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