Fig. 2

Classification of eGFR levels using reference values. eGFR pre- and 12 months post-SGLT2i treatment was classified as G1 (eGFR ≥ 90), G2 (90 > eGFR ≥ 30), G3 (60 > eGFR ≥ 30), and G4 (30 > eGFR) according to the severity classification of CKD