SURGENE cohort: Characteristics of participants at baseline by incidence of renal events during the follow-up.

Results expressed as means ± SD or *median and interquartile range. Statistics of quantitative parameters are ANOVA performed with log-transformed data or *Wilcoxon (rank sums) test. p<0.05 is significant. Diabetic retinopathy stages: Absence, Non-Proliferative, Pre-Proliferative, Proliferative. Macrovascular complications include all cases of myocardial infarction, stroke and/or peripheral artery disease.