Nomogram for prediction of diabetic retinopathy in patients with type 2 diabetes mellitus: A retrospective study

•The nomogram was developted based on the general information and biochemical indexes of patients.•The nomogram was constructed by LASSO regression and logistic regression.•LASSO regression was used for screening the related factors to improve the statistical efficiency.•The nomogram can visually display the contribution of each risk factor to diabetic retinopathy.