Table 1.

Biochemical parameters obtained during paricalcitol, washout, and calcitriol phases in 23 black and eight white patients with stage 5 CKDa

ParameterParicalcitolWashoutCalcitriol
Blood Ca2+ (mg/dl)
    black4.12 ± 0.084.09 ± 0.094.11 ± 0.06
    white4.31 ± 0.164.22 ± 0.124.45 ± 0.16
    all4.18 ± 0.084.13 ± 0.074.21 ± 0.06
Serum total calcium (mg/dl)
    black8.27 ± 0.258.39 ± 0.238.74 ± 0.23
    white8.71 ± 0.278.37 ± 0.178.96 ± 0.26
    all8.43 ± 0.198.39 ± 0.168.81 ± 0.17
Serum phosphorus (mg/dl)
    black5.26 ± 0.465.26 ± 0.445.25 ± 0.47
    white6.48 ± 0.286.05 ± 0.416.64 ± 0.64
    all5.60 ± 0.365.47 ± 0.345.65 ± 0.40
Plasma iPTH (pg/ml)
    black493.00 ± 61.9523.00 ± 61.40539.00 ± 69.50
    white648.00 ± 112.00646.00 ± 77.10738.00 ± 121.00
    all533.00 ± 54.70555.00 ± 50.10591.00 ± 61.40
Plasma PTH (1-84) (pg/ml)
    black289.00 ± 37.50276.00 ± 32.60281.00 ± 41.10
    white365.00 ± 60.60345.00 ± 54.40374.00 ± 66.60
    all308.00 ± 31.80294.00 ± 28.10305.00 ± 35.20
  • a Data are means ± SEM of all results during each phase. Ca2+, ionized calcium; CKD, chronic kidney disease. iPTH, intact parathyroid hormone.