Table 3.

Mean iPTH, Ca × P, and serum calcium and phosphorus levels at baseline and during the efficacy assessment phase

CharacteristicConventional care, Mean (SD) (n = 184)Cinacalcet, Mean (SD) (n = 368)
iPTH (pg/ml)
    baseline507 (143)505 (147)
    efficacy assessment phase519 (281)264 (168)
Ca × P (mg2/dl2)
    baseline52.5 (15.4)53.6 (16.4)
    efficacy assessment phase53.0 (14.7)45.7 (14.9)
Calcium (mg/dl)
    baseline9.7 (0.8)9.7 (0.8)
    efficacy assessment phase9.8 (0.7)9.0 (0.8)
Phosphorus (mg/dl)
    baseline5.4 (1.5)5.5 (1.7)
    efficacy assessment phase5.4 (1.5)5.1 (1.6)
  • iPTH: 1 mmol/L = 1 mg/dl × 0.105; Ca × P: 1 mmol2/L2 = 1 mg2/dl2 × 0.08; calcium: 1 mmol/L = 1 mg/dl × 0.25; phosphorus: 1 mmol/L = 1 mg/dl × 0.323.