Correlation between diabetic retinopathy and infection: a cross-sectional retrospective study.

Aim: To explore the correlation between diabetic retinopathy (DR) and (Hp) infection, based on data from a physical examination population.

Methods: This cross-sectional retrospective analysis included data of 73 824 health examination participants from December 2018 to December 2019. Participants were divided into the diabetic group and non-diabetic group, non-diabetic retinopathy (NDR) group, non-proliferative diabetic retinopathy (NPDR) group, proliferative diabetic retinopathy (PDR) group, and Hp infection group.