C3 and arteriolosclerosis: Herein, the ML score (GP) for MaxGD ≥ 242.3 μm identified the top 8 variables, including BMI, complement C3, serum total protein, arteriolosclerosis, urinary protein excretion (U-Prot) during the 10-year follow-up, edema, C-reactive protein, and the Oxford E1 score.