Table 2.

Concentrations of vitamin D metabolites and related markers of mineral metabolism

ParameterControl GroupCKD Group
PretreatmentPost-treatmentPretreatmentPost-treatment
Vitamin D3 (ng/ml)0.00±0.0013.69±12.51a0.30±1.1723.14±20.55a
25(OH)D3 (ng/ml)13.55±5.8554.42±8.55a14.70±9.6953.40±13.09a
1α,25(OH)2D3 (pg/ml)96.90±30.55202.80±49.60a57.08±35.84b150.27±42.32a,b
24,25(OH)2D3 (ng/ml)0.47±0.333.59±1.14a0.30±0.191.59±0.73a,b
1α,25- to 25(OH)D3 MR0.0077±0.00230.0037±0.0007a0.0038±0.0014b0.0028±0.0006a,b
24,25- to 25(OH)D3 MR0.0314±0.01030.0652±0.0153a0.0221±0.0086b0.0308±0.0141a,b
Calcium (mg/dl)9.4±0.39.4±0.49.0±0.4b9.2±0.5
Phosphorus (mg/dl)3.4±0.63.4±0.54.2±0.5b4.3±0.5b
PTH (pg/ml)40.6±23.934.4±20.0112.6±56.7b88.3±53.1a,b
FGF23 (pg/ml)39.8±14.654.1±21.2a127.5±88.7b154.8±109.9a,b
  • Values are expressed as mean±SD. 25(OH)D3, 25-hydroxyvitamin D3; MR, metabolic ratio; PTH, parathyroid hormone; FGF23, fibroblast growth factor 23.

  • a P<0.05 versus pretreatment value within same group.

  • b P<0.05 versus control group value at same time point.