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Table 2 Biochemical characteristics

From: Significant associations between bone mineral density and vascular calcification in patients with different stages of chronic kidney disease

Serum markers

Mean ± SD

Median (range)

Normal range

S-Crea (µmol/L)

261.7 ± 249.4

150.5 (51–1036)

45–104

eGFR (ml/min)

35.2 ± 22.8

33.5 (2–106)

 > 90

S-Urea (mmol/L)

14.1 ± 7.9

11.9 (3.9–36.0)

 < 8.1

S-Hb (g/L)

123.8 ± 18.2

120 (86–164)

121–170

S-CRP (mg/L)

5.0 ± 11.8

2 (1–107)

 < 5

S-Alb (g/L)

41.7 ± 4.7

42 (27–54)

35–52

S-Ca (mmol/L)

2.33 ± 0.2

2.3 (1.8–2.8)

2.20–2.55

S-Pi (mmol/L)

1.36 ± 0.5

1.2 (0.7–3.4)

0.81–1.45

iPTH (pmol/L)

23.7 ± 43.0

10.5 (1.4–320.4)

1.6–6.9

S-tALP (iu/L)

113.1 ± 162.7

84 (0.9–1390)

35–129

S-CHL (mmol/L)

5.5 ± 1.3

5.3 (3.2–9.8)

 < 5.5

S-TG (mmol/L)

1.89 ± 1.14

1.7 (0.5–5.1)

 < 2.0

S-UA (mmol/L)

406.1 ± 92.4

395 (253–718)

143–417

S-vit D (25 OH) (nmol/L)

58.7 ± 27.9

48.5 (14–144)

 > 50

FGF-23 (U/mL)

266.0 ± 602.2

51 (10–2400)

 < 114

  1. S-Crea Serum creatinine, eGFR estimated glomerular filtration ratio, S-Urea Serum urea, S-Hb Serum haemoglobin, S-CRP Serum c-reactive protein, S-Alb Serum albumin, S-Ca Serum calcium, S-Pi Serum phosphate, PTH Parathormone, S-tALP Serum total alkaline phosphatase, S-CHL Serum cholesterol, S-TG Serum triglycerides, S-UA Serum uric acid, S-vit. D Serum vitamin D, FGF-23 Fibroblast growth factor 23