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Frailty survival model analysis of the national deceased donor kidney transplant dataset using Poisson variance structures.

In a recent study of transplant outcomes, donor age, cerebrovascular accident as the cause of death (CVA), renal insufficiency (serum creatinine > 1.5 mg/dL), and history of hypertension have been identified as donor factors associated with elevated risk of kidney transplant failure. It is of great interest to know whether there remain other unmeasured donor factors associated with elevated risk of graft failure. In this article we study a sample of 6,024 deceased donor kidney transplants performed in 194 centers from 1995 to 2000. In addition to variation among transplant recipients, there are two other random effects: unmeasured donor and unrecorded center factors (data not available at ...

<1, 1-3 (baseline), and>
<10   4% 
  Age 10-3939% 
  Age 40-4917% 
  Age 50-5924% 
  Age [greater than or equal to] 6017% 
Donor gender (female)  44% 
Donor race (black)  9% 
Donor hypertension 28% 
Donor cause of death (stroke)  51% 
Terminal creatinine><20   7% 
  20-2423% 
  25-2922% 
[greater than or equal to]30   16% 
  Missing  32% 
Primary cause of ESRD 
Diabetes   24% 
Hypertension   23% 
GN 25% 
Other  28% 
0 DR mismatch  37% 
1 DR mismatch  42% 
2 DR mismatches22% 
CIT [less than or equal to] 24 hours   69%><20 [178.sub.(108)]  [140.sub.(113)] 
  25-29 [57.sub.(74)][35.sub.(77)] 
  [greater than or equal to]   [213.sub.(80)] (b)   [174.sub.(83)] (a) 
  30 
Cause of ESRD 
  Diabetes [223.sub.(71)] (b)   [227.sub.(75)] (b) 
  Hypertension [128.sub.(74)]   [126.sub.(78)] 
  Other [29.sub.(70)][29.sub.(74)] 
1 DR mismatch  [192.sub.(62)] (b)   [200.sub.(66)] (b) 
2 DR mismatch  [295.sub.(75)] (b)   [293.sub.(79)] (b) 
CIT (><20 [161.sub.(112)] 
  25-29 [54.sub.(77)] 
  [greater than or equal to]   [199.sub.(83)] (b) 
  30 
Cause of ESRD 
  Diabetes [226.sub.(74)] (b) 
  Hypertension [124.sub.(78)] 
  Other [30.sub.(73)] 
1 DR mismatch  [195.sub.(65)] (b) 
2 DR mismatch  [316.sub.(79)] (b) 
CIT (>

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