Table 2 Laboratory data of the patients (n = 100)

Ferritin (µg/L)

 Median (min.–max.)

(n = 56)

(n = 56)

–

486 (154–1213)

487 (154–1213)

CRP (mg/dl)

 Mean ± SD

6.44 ± 3.79

6.45 ± 2.91

5.98 ± 3.02

t = 0.788

0.43

HbA1C %

 Mean ± SD

6.99 ± 1.80

7.01 ± 1.81

6.97 ± 1.82

t = 0.090

0.929

Creatinine (µmol/L)

 Mean ± SD

72.96 ± 49.67

81.0 ± 48.98

68.90 ± 40.23

t = 1.325

0.188

Urea (mmol/L)

 Median (min.–max.)

4.2 (2.1–42)

4.0 (2.4–38.1)

4.35 (2.1–42)

U = 1130.5

0.481

Vitamin D level (nmol/L)

 Median (min.–max.)

47.3(10.42–162.3)

44.7 (20–162.3)

55.0 (10.4–123.1)

U = 999.0

0.106

Calcium (mmol/L)

 Mean ± SD

2.32 ± 0.13

2.29 ± 0.13

2.34 ± 0.11

t = 1.909

0.059

Phosphorus (mmol/L)

 Mean ± SD

1.10 ± 0.24

1.08 ± 0.27

1.13 ± 0.20

t = 1.107

0.271