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Table 1 Main study cohort characteristics (n = 75) at week 2 unless otherwise stated

From: The stability and variability of serum and plasma fibroblast growth factor-23 levels in a haemodialysis cohort

Study Population

Age (mean, SE)

69.4 (1.2)

Gender (n, % male)

48 (66.7)

Cause of ESKD (n, %)

 DM

31 (41.3)

 GN

23 (30.6)

Diabetes (n, %)

39 (52.0)

Dialysis Vintage (months, SE)

61.8 (6.3)

Dialysis duration (min, 95% SE)

269.2 (2.8)

Dialysis Access (n, %)

 AVF

67 (89.3)

 AVG

5 (6.7)

Serum FGF-23 (mean RU/ml, SE)

 Week 1

1615.5 (396.4)

 Week 2

1390.5 (318.0)

 Week 3

1564.6 (376.7)

Phosphate (mean mmol/L, SE)

 Week 1

1.45 (0.05)

 Week 2

1.46 (0.04)

 Week 3

1.49 (0.05)

25(OH)D (mean nmol/L, SE)

70.7 (4.1)

PTH (mean pmol/L, SE)

32.6 (3.2)

Calcium (mean mmol/L, SE)

2.20 (0.02)

ALP (mean mmol/L, SE)

142.1 (10.1)

Cinacalcet (n, %)

26 (34.6)

Calcitriol (n, %)

43 (57.3)

Phosphate binders (n, %)

69 (92.0)

  1. SE standard error, ESKD end-stage kidney disease, DM diabetes mellitus, GN glomerulonephritis, AVF arteriovenous fistula, AVG arteriovenous graft, FGF-23 fibroblast growth factor 23, PTH parathyroid hormone, 25(OH)D 25-hydroxyvitamin D, ALP alkaline phosphatase