Table 1 Baseline characteristics of study participants

Age (years)

36.1 ± 10.7

42.8 ± 9.8

0.001

Female

27 (56.3)

41 (70.7)

0.123

 Mixed ancestry

34 (70.8)

42 (72.4)

0.72

 Black

9 (18.8)

12 (20.7)

 White

4 (8.3)

4 (6.9)

Duration on RRT (years)

2.2 (0.6–4.1)

6.0 (3.4–10.9)

<0.001

Duration on modality (years)

1.1 (0.2–3.3)

3.2 (1.2–6.0)

0.003

Haemoglobin (g/dl)

8.8 ± 2.1

10.5 ± 1.9

0.001

Albumin (g/l)

35.0 ± 5.7

37.9 ± 3.9

0.004

Total calcium (mmol/l)

2.18 ± 0.3

2.19 ± 0.3

0.855

Phosphate (mmol/l)

2.0 ± 0.8

1.71 ± 0.8

0.044

PTH (pmol/l)

48.3 (25.4–130.7)

43.0 (17.8–95.6)

0.198

spKt/V

1.44 ± 0.28