Table 1.
Baseline characteristics of recipients of diabetic donor kidneys versus nondiabetic kidneys versus candidates who were only on the waitlist
| Baseline Characteristics | Diabetic Donor Recipients n=8101 | Nondiabetic Donor Recipients n=126,560 | Waitlist Only n=302,958 | P Value |
|---|---|---|---|---|
| Recipient characteristics | ||||
| Median age, yr (IQR) | 55 (46–63) | 51 (40–59) | 51 (41–60) | <0.001 |
| Men, % | 62 | 61 | 59 | <0.001 |
| Ethnicity, % | <0.001 | |||
| White | 46 | 48 | 47 | |
| Black | 33 | 31 | 30 | |
| Hispanic | 13 | 13 | 15 | |
| Asian | 6 | 6 | 6 | |
| Other | 2 | 2 | 2 | |
| Cause of ESRD, % | <0.001 | |||
| Diabetes | 30 | 27 | 39 | |
| Hypertension | 30 | 27 | 19 | |
| Glomerular disease | 15 | 18 | 11 | |
| Cystic disease | 9 | 10 | 5 | |
| Other | 10 | 12 | 16 | |
| Missing | 6 | 6 | 10 | |
| Candidate diabetes, % | 39 | 34 | 50 | <0.001 |
| Maximum PRA ≥30%, % | 14 | 16 | 27 | <0.001 |
| Median dialysis vintage, d (IQR) | 327 (80–732) | 322 (91–730) | 271 (0–695) | <0.001 |
| Prewaitlist dialysis, % | 77 | 78 | 75 | <0.001 |
| Median waitlist time, d (IQR) | 675 (291–1184) | 600 (241–1121) | 758 (357–1364) | <0.001 |
| Patients listed at a center with the longest tertile of median wait time, % | 29 | 27 | 43 | <0.001 |
| Donor characteristics | ||||
| Expanded criteria donor, % | 39 | 16 | NA | <0.001 |
| Median KDPI percentile (IQR) | 81 (62–92) | 44 (21–67) | NA | <0.001 |
| Donor hepatitis C positive, % | 2 | 3 | NA | <0.001 |
| Median donor age, yr (IQR) | 51 (43–58) | 39 (23–51) | NA | <0.001 |
| Median donor body mass index, kg/m2 (IQR) | 30 (26–35) | 25 (22–29) | NA | <0.001 |
| Transplant characteristics | ||||
| Zero HLA mismatch, % | 6 | 10 | NA | <0.001 |
| Median cold ischemia time, h (IQR) | 18 (13–24) | 18 (12–24) | NA | <0.001 |
| Delayed graft function, % | 30 | 24 | NA | <0.001 |
IQR, Interquartile range; PRA, Panel reactive antibody; KDPI, Kidney Donor Profile Index.