Table 2. Subgroup Analyses Involving Year of Organ Recovery, Donor Ethnicity, Donor Hepatitis C Virus Serostatus, and Donation After Cardiac Death Status.
| Variable | Transplanted Kidneys, No. | Discarded Kidneys, No. | Actual Discard Rate, % | Discard Rate in the Redesigned System, % | Potential Gain of Allograft Life-Years in the Redesigned System, y |
|---|---|---|---|---|---|
| Overall US data set (2004-2014) | 128 102 | 27 987 | 17.9 | 6.8 | 132 445 |
| Year of Organ Recovery | |||||
| US donors, y | |||||
| 2004-2008 | 56 360 | 11 737 | 17.2 | 6.9 | 53 282 |
| 2009-2014 | 71 742 | 16 250 | 18.5 | 6.7 | 79 163 |
| Characteristics of US donors | |||||
| Non-African American | 110 099 | 23 239 | 17.4 | 6.3 | 113 264 |
| Hepatitis C negative | 125 266 | 25 018 | 16.6 | 6.6 | 113 825 |
| Non-DCD donors | 113 065 | 24 171 | 17.6 | 6.8 | 112 381 |
| Non–African American, hepatitis C negative, and non-DCD donors | 93 721 | 17 668 | 15.8 | 6.2 | 81 267 |
Abbreviation: DCD, donors with cardiac death. These analyses show the discard rate and the potential gain in allograft life-years in a redesigned organ acceptance system among donor subgroups in the United States to account for the differences between the French and American donor populations.