Table 1.

Characteristics of donor, recipient and transplant factors in steroid group (n=25,996)

CharacteristicSteroid Induction CategoriesP Value
IL2-RAr-ATGNo InductionBefore IPTWAfter IPTW
No. (%)9741 (37.5)8552 (32.9)7703 (29.6)
Donors
 Age (yr)41.4±11.441.1±11.440.6±11.2<0.0010.56
 Women 61.060.359.80.260.74
 Race<0.0010.84
  White68.271.166.8
  Black12.215.713.8
  Hispanic14.49.314.0
  Other5.23.95.5
Recipients
 Age (yr)47.4±14.346.8±13.746.6±14.1<0.0010.53
 Women37.041.339.2<0.0010.91
 Race<0.0010.60
  White65.867.364.6
  Black13.818.415.6
  Hispanic14.59.314.1
  Other5.95.05.7
 Diabetes mellitus (yes)28.427.831.6<0.0010.77
 Cardiovascular disease (yes)5.85.85.30.330.97
 Retransplant2.82.54.2<0.0010.96
 Dialysis before transplant<0.0010.92
  Preemptive30.732.132.2
  <1 yr29.428.528.0
  1–3 yr28.627.229.3
  >3 yr11.312.210.4
 Panel reactive antibody<0.0011.00
  <2043.934.551.0
  20–803.87.14.8
  >800.72.11.0
  Missing51.556.343.2
Transplant
 Weight ratio (donor/recipient)1.02±0.301.02±0.311.02±0.310.390.87
 HLA mismatch<0.0011.00
  15.95.36.1
  218.316.720.2
  329.928.231.5
  416.217.515.3
  519.320.917.4
  610.611.59.6
 Transplant year<0.0011.00
  2000–200111.23.520.1
  2002–200316.112.020.2
  2004–200512.515.720.0
  2006–200715.716.713.9
  2008–200918.220.012.9
  2010–201226.332.212.9
  • Data are presented as means±SD or percentages unless otherwise indicated. IL2-RA, IL-2 receptor antagonist; r-ATG, rabbit anti-thymocyte globulin; IPTW, inverse probability of treatment weight.