Table 1: Patient demographics and disease characteristics. 
 Characteristics  Group 1  Group 2 
 Age in years  N = 86  N = 211  Mean (SD)  76.2 (±11.3)  75.8 (±10.5)  Gender ratio  N = 86  N = 211  (M/F)  1.9  0.7  BMI (kg/m²)  N = 86  N = 207  Mean (SD)  28.2 (±4.8)  29.3 (±5.5)  BMI (kg/m²): N patients (%) with  N = 86  N = 211  BMI < 25  25 (29%)  44 (21%)  25 ≤ BMI < 30  35 (41%)  81 (39%)  BMI ≥ 30  26 (30%)  82 (40%)  GFR (mL/min/1.73 m²)  N = 86  N = 211  Mean (SD)  51.9 (±4.3)  29.41 (±13.0)  Time since CKD diagnosis: N patients (%)    ≥1 year  N = 85 66 (77%),  N = 207 175 (83%)  ≤1 year  N = 84 20 (23%)  N = 203 36 (17%)  Proteinuria: N patients (%) with    Microproteinuria  39 (46%)  124 (60%)  Macroproteinuria  7 (8%)  38 (19%)  Time since diabetes diagnosis (years)  N = 86  N = 2011  Mean (SD)  12.6 (±8.4)  14.2 (±9.0)  HbA1c  N = 76  N = 197 
Percentage (SD)  7.2 (±1.1)  7.1 (±1.3)  HbA1c < 7%  N = 76  N = 197  N patients (%)  36 (47%)  106 (54%) 


N:number of patients, BMI: body mass index; CKD: chronic kidney disease; GFR: glomerular filtration rate; SD: standard deviation.
