Table 2.

Comparisons of mineral parameters between KT recipients and CKD patients according to stages of kidney function

ParametersStage 2aStage 3bStages 4 and 5c
CKD (n=30)KT (n=95)P ValueCKD (n=126)KT (n=106)P ValueCKD (n=43)KT (n=23)P Value
Calcium (mg/dl)9.23±0.679.48±0.630.079.28±0.429.62±0.6<0.0019.28±0.439.4±0.940.48
N (% hypercalcemia)2 (6.7)3 (3.2)0.391 (0.8)10 (9.4)0.0020 (0)1 (4.3)0.16
Phosphate (mg/dl)3.52±0.563.19±0.490.0023.66±0.533.31±0.59<0.0014.08±0.583.85±0.790.22
N (% hypophosphatemia)0 (0)2 (2.1)0.420 (0)9 (8.5)0.0010 (0)1 (4.3)0.16
PTH (pg/ml)d32 (27–70)69 (51–92)<0.00159 (39–79)76 (54–107)<0.001108 (59–168)167 (89–291)0.02
N (% HPT)8 (27.6)51 (54.3)0.0151 (41.8)69 (64.8)0.00133 (73.3)20 (87)0.20
25-OH-D (ng/dl)23.5±1125.6±8.60.3521.9±8.926.6±8.3<0.00121.9±627.1±10.50.03
N (% insufficiency)e24 (80)67 (70.5)0.3199 (79.8)74 (70.5)0.1040 (87)14 (60.9)0.01
eGFR (ml/min per 1.73 m2)68.8±8.371.2±8.10.1645.4±8.447.2±8.80.1121.9±6.322±6.20.98
  • HPT, hyperparathyroidism; eGFR, estimated GFR.

  • a eGFR=60–89 ml/min per 1.73 m2.

  • b eGFR=30–59 ml/min per 1.73 m2.

  • c eGFR=0–29 ml/min per 1.73 m2.

  • d Median (interquartile range).

  • e 25-OH-D<30 ng/dl.