The non-linear relationship between serum albumin and diabetic retinopathy in type 2 diabetes mellitus: a secondary analysis based on a cross-sectional study.

"data availability the dataset was collected by zhuang x et al and is now available on dryad (via: 10 5061/dryad 6kg1sd7). data availability the dataset was collected by zhuang x et al and is now available on dryad"

"Declarations Ethics approval and consent to participateThe authors in the original have clearly stated that: this study was performed according to the Declaration of the Helsinki and approved by the Research Ethics Committee of Guangdong Provincial People’s Hospital (registration number: gdrec2016232A). The original study was a retrospective cross-sectional study and all the data were acquired from the medical record. Since it was a retrospective study, consent of each patient was not mentioned in the original. Consent for publicationNot applicable (The original study was a retrospective cross-sectional study and all the data were acquired from the medical record. Since it was a retrospective study, consent of each patient was not mentioned in the original). Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This work was supported by the Natural Science Foundation of Shenzhen(JCYJ20180305124320418)and Shenzhen International Cooperative Research Project (GJHZ20200731095005016)."