Variable Transplant Hospitalization 1-year posttransplant 2-years posttransplant 3-years posttransplant Base Cost 70070 * -28380   -31799   37576   BMI Category                 Underweight -8540   5596   3730   43801   Normal Reference Reference Reference Reference Overweight -12870   7826   4637   -10162   Obese -12905   -3617   5642   33218   Morbidly Obese -19996   -3474   20418   55592   Extremely Morbidly Obese -20175   40702   22776   -34014   Recipient Characteristics                 Gender                 Female 26497 ** 2399   -3035   -8265   Race                 African American -10098   -9595   -4070   3148   Other -15977   -16584   3978   -1857   White Reference Reference Reference Reference Ethnicity                 Hispanic 19276   22279   10252   44235   Age (years)                 18 - 30 Reference Reference Reference Reference 31 - 44 -7828   13417   11734   6   45 - 59 -16835   17260   27629   21223   > 60 -14957   14268   42366 * 59930   Primary cause of ESRD                 Diabetes mellitus         3121   25316 * 26713   25959   Glomerulonephritis -6184   -7223   7426   16076   PKD                -7337   -1802   -1562   -13481   Hypertension       -12870   -6970   2356   -14428   Unknown                      -45876   -20190   25560   44470   Other   Reference Reference Reference Reference Pre-Transplant Dialysis Duration                 None (pre-emptive) Reference Reference Reference Reference 0-12 months 12652   12901   -2024   -16203   13-24 months 6231   7864   -12766   -21853   25-60 months -18621   -16540 * -13491   -4378   More than 60 months -51686 ** -9010   -6444   -27753   Diabetes 15439   -11413   4493   371   PVD -6220   -14875   -23073   16680   Donor Characteristics                 Gender                 Female 8272   14402 * 9032   465   Race                 African American -18107   8120   31607 * 21420   Other -6863   -4212   -7077   -12514   White Reference Reference Reference Reference Age (years)                 ≤ 18 6518   13501   10236   1749   19 - 30 Reference Reference Reference Reference 31 - 44 -14405   1579   10937   -7917   45 - 59 -20417   -5060   16748   928   ≥ 60 -35394   16802   906   -68840   BMI category (kg/m2)                 ≥ 10 to < 25 Reference Reference Reference Reference ≥ 25 to < 30 18357 * 7544   12205   -5331   ≥ 30 -4106   8494   19060   24686   Death due to stroke 9548   15654 * -1515   -10131   Terminal Creatinine ≥ 1.5 -8113   -11567   -18094   -43371   Hypertension history 5024   8208   -2891   -13125   Diabetes -2332   -2561   -29683   -30886   CMV sero-positive -21471   -33716 * 14793   -6232   Transplant Factors                 Donor type                 SCD Reference Reference Reference Reference ECD 30973   -2688   -15660   54694   DCD -35675 * 224   1002   5077   Peak PRA %                 0-10% Reference Reference Reference Reference 11-30% 9475   -3482   -8659   -10004   >30% -8005   1138   8841   -7005   Unknown 8640   -9641   -3474   -56647   CMV sero-pairing                 Unknown                   23107   15345   -14562   18459   Donor - / Recipient -   Reference Reference Reference Reference Donor - / Recipient +  37938   47374 ** -5895   40650   Donor + / Recipient -  12872   8342   -1149   23114   Donor + / Recipient + 28850   39048 * -25844   18631   HLA Mismatches                 0 HLA mismatches Reference Reference Reference Reference 1 HLA mismatches 948   -3249   53996   34729   2 HLA mismatches -17763   2325   -10494   -45940   3 HLA mismatches -1603   3625   -5230   -35855   4 HLA mismatches 10476   8458   -9789   -13697   5 HLA mismatches 3610   19038 * -7846   -29259   6 HLA mismatches -12607   15003   -2082   -23253   Sensitized 1909   10080   25081   12253   Cold Ischemia Time                 0 to < 15 hours Reference Reference Reference Reference 15 to < 20 hours 4044   -4373   -4315   7743   20 to < 26 hours -18178   5433   4093   1000   26+ hours -16712   7057   7845   5421   Unknown -34181 ** 15804 * 16992   17583   Year                 2000 Reference Reference Reference Reference 2001 39772   -10997   68370 *** -50162 * 2002 41913 * 40669 *** 18727   -19618   2003 47434 * 97   6065   -41465 * 2004 41061 * 2885   17926   -14581   2005 72463 *** -721   4239       2006 73810 *** 9535           2007 72630 **             Length of Stay 4150   1304 * 1403   1571   * P-value < 0.05 ** P-value < 0.01 *** P-value < 0.001

Table 2: Total accumulated cost (in dollars) at transplant hospitalization as well as one, two, and three year for privately-insured transplant recipients 2000-2007 (N=767).