Table 1.

Characteristics associated with early PKT (pretransplant eGFR ≥15), 1995–2009

CharacteristicAdjusted Relative Rate (95% CI)P Value
Transplant year1.12 (1.11–1.13)<0.001
Age (per decade, <50 yr)*0.91 (0.87–0.95)<0.001
Age (per decade, ≥50 yr)*1.04 (0.98–1.09)0.2
Female gender0.87 (0.82–0.93)<0.001
Race
    Caucasianreference
    African American0.90 (0.81–1.00)0.04
    other0.78 (0.70–0.86)<0.001
Cause of ESRD
    glomerulonephritisreference
    diabetes1.52 (1.39–1.66)<0.001
    polycystic kidney disease0.77 (0.70–0.86)<0.001
    hypertension1.07 (0.97–1.19)0.2
    renovascular0.96 (0.77–1.19)0.7
    congenital0.94 (0.76–1.17)0.6
    tubulointerstitial1.30 (1.15–1.46)<0.001
    neoplasm1.02 (0.53–1.96)0.9
    other1.13 (1.01–1.27)0.04
Poor functional status**1.14 (1.04–1.25)0.006
Blood type
    Areference
    B0.86 (0.77–0.95)0.004
    AB1.07 (0.94–1.21)0.3
    O0.95 (0.89–1.01)0.1
Private insurance1.00 (0.93–1.08)0.9
Living donor1.03 (0.97–1.11)0.3
Donor age1.00 (1.00–1.00)0.6
  • * Age was modeled as a spline with a knot at 50 yr after bivariate exploration with the outcome.

  • ** Poor functional status reflected any impairment in functional status at transplantation or registration. The 4.5% of recipients missing functional status were assumed to be 100% functional.