Table 1.

Percentage of patients achieving clinical performance markers by length of center ownership

Clinical Measure20052007
ExistingAcquiredPaExistingAcquiredPa
Adequacy management
    Kt/V ≥1.294.983.1<0.00195.294.0<0.003
    URR ≥6592.688.3<0.00191.090.10.106
Metabolic bone disease management
    Ca × PO4 <55 mg2/dl265.459.9<0.00171.170.10.268
    Ca ≤9.5 mg/dl56.757.70.18873.472.10.057
    phosphorus ≤6.0 mg/dl72.464.9<0.00173.572.80.234
Anemia management
    Hb ≥11 g/dl86.583.4<0.00182.680.3<0.001
    ferritin ≥100 ng/ml94.797.6<0.00195.696.8<0.001
    TSAT ≥20%82.678.5<0.00183.679.4<0.001
Nutrition management
    albumin ≥3.5 g/dl81.683.9<0.00183.583.90.407
  • TSAT, transferrin saturation.

  • a P value reflects existing compared with acquired.