Table 1 Baseline characteristics of the study population

Age (years)

62.56 ± 12.91

63.13 ± 11.29

0.85

Male sex (%)

15 (41.67)

17 (53.13)

0.35

− Diabetic nephropathy

19 (52.78)

20 (62.5)

0.43

− Chronic glomerulonephritis

4 (11.11)

4 (12.5)

0.88

− IgA nephropathy

1 (2.78)

2 (6.25)

0.48

− Focal segmental glomerulosclerosis

3 (8.33)

1 (3.13)

0.35

− Polycystic kidney disease

1 (11.11)

0 (0)

0.31

− Unknown

8 (22.22)

5 (15.63)

0.49

− Systolic

136.69 ± 14.56

137.75 ± 14.78

0.77

− Diastolic

75.75 ± 10.46

77.13 ± 11.68

0.61

Serum creatinine (mg/dL)

2.19 ± 0.9

2.43 ± 0.9

0.29

eGFR (ml/min/1.73 m²)

39.29 ± 11.26

37.29 ± 11.44

0.47

Serum cystatin C (mg/L)

2.07 ± 0.61

2.13 ± 0.67

0.70

25-hydroxy vitamin D level (ng/ml)

15.89 ± 6.59

19.26 ± 5.12

0.02

− mean ± SD

3.47 ± 3.01

3.61 ± 3.75

0.87

Serum calcium (mg/dl)

9.4 ± 0.49

9.27 ± 0.47

0.27

Serum phosphorus (mg/dl)

3.58 ± 0.58

3.8 ± 0.78

0.17

Serum albumin (g/dl)

3.83 ± 0.42

3.95 ± 0.34

0.21

Serum intact parathyroid hormone (pg/mL)

85.11 ± 47.42

88.57 ± 64.49

0.60

Serum HbA1C (%)

7.17 ± 0.78

7.40 ± 0.59

0.31

− ARB

8 (22.22)

11 (34.38)

0.27

− ACE inhibitor

10 (27.78)

8 (25)

0.79