Funding for this research was provided by:
Changzhou High-Level Medical Talents Training Project (2022CZBJ075)
Article History
Received: 5 June 2023
Accepted: 25 August 2023
First Online: 15 September 2023
Declarations
:
: Xincheng Sun, Xianhuai Wang, Xinyu Guo, Mengjiao Wang and Hu Liu all confirm that they have no conflicts of interest to disclose.
: This study was a retrospective study. All patients signed a surgical consent form. This study followed the tenets of the Declaration of Helsinki and ethics of combined use of anti-VEGF drugs for severe PDR was approved by the by the Institutional Ethics Committee of Changzhou No.2 People’s Hospital of Nanjing Medical University (YLJSA075).