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Table 4 Bone parameters and CKD stage

From: Fibroblast growth factor-23 and calcium phosphate product in young chronic kidney disease patients: a cross-sectional study

CKD stage

Calcium [mmol/L]

Phosphate [mmol/L]

25-OH vitamin D [nmol/L]

1,25 (OH)2 vitamin D [pmol/L]

Alkaline phosphatase [U/L]

intact PTH [pmol/L]

FGF-23 [pg/mL]

CKD stage I

2.32 (2.2-2.4)

1.27 (1.1-1.4)

61 (48.5-86.5)

82 (70.5-100.5)

153 (85.0-216.5)

3.8 (2.8-4.8)

39.4 (30.9-47.2)

CKD stage II

2.39 (2.3-2.4)

1.19 (1.2-1.4)

45 (44ā€“91)

57 (46ā€“73.5)

153 (96ā€“283)

4.4 (3.3-7.8)

45.2 (24.3-51.6)

CKD stage III

2.36 (2.3-2.4)

1.22 (1.2-1.3)

64 (47ā€“101)

53.5 (41ā€“64.2)

218 (122.5-254)

8.8 (7ā€“9.3)

52.8 (28.9 ā€“ 102.8)

CKD stage IV+V

2.22 (2.1-2.4)

2.06 (1.7-2.3)

58.5 (47.5-127.2)

17 (12ā€“32.5)

188 (102ā€“261)

44.4 (9.7-79.1)

461.1 (158.4 ā€“ 666.8)

  1. Data are given in median and interquartile range (25th and 75th percentile).