Table 1.

Biochemical parameters of mineral metabolism in children treated with chronic peritoneal dialysis

	Month 1 (n:31)	Month 6 (n:25)	Month 12 (n:15)
Calcium (mg/dL) 9.4–10.3a	9.9 ± 1.1	9.8 ± 0.8	9.4 ± 0.9
Phosphorus (mg/dL) 3.6–5.8a	5.4 ± 1.2	5.7 ± 1.6	5.3 ± 1.3
1,25 (OH)D (pg/mL) 43 ± 2b	26.7 ± 22.2	27.5 ± 21.4	NA
25(OH)D (ng/mL) >30c	33.7 ± 6.8	24.9 ± 8.2	24.1 ± 5.6
Parathyroid hormone (pg/mL) 200–300a	330.8 ± 273.4	349.9 ± 283.3	320.8 ± 205.1
FGF23 (pg/mL) 9.4 ± 5.7d	215.1 ± 303.6	229.8 ± 252.6	194.8 ± 300.9
FGF23 log	1.98 ± 0.6	2.01 ± 0.6	1.77 ± 0.7
Klotho (pg/mL) 320 ± 119.4d	132.1 ± 58	133.3 ± 29.2	130.3 ± 34.4

^aRecommended normal values for children 6–12 years old. From [29].

^bFrom [33].

^cFrom [29].

^dValues obtained from control patients, mean ± SD.

NA: not available