Table 1. Study Population Description From 2008 Through 2017a.
| Characteristic | Patients, No. (%) | |||
|---|---|---|---|---|
| Deaths per CDC | Donors per UNOS | Eligible deaths per UNOS | Ineligible donors per UNOS | |
| Total | 17 501 742 | 75 769 | 84 271 | 15 857 |
| Age group, y | ||||
| 18-34 | 738 099 (4.2) | 23 863 (31.5) | 25 929 (30.8) | 3806 (24.0) |
| 35-49 | 1 432 633 (8.2) | 22 324 (29.5) | 24 666 (29.3) | 4565 (28.8) |
| 50-64 | 4 456 606 (25.5) | 23 377 (30.9) | 27 737 (32.9) | 4875 (30.7) |
| 65-84 | 10 874 404 (62.1) | 6205 (8.2) | 5939 (7.1) | 2611 (16.5) |
| Sex | ||||
| Female | 7 617 297 (43.5) | 30 729 (40.6) | 34 898 (41.4) | 6196 (39.1) |
| Male | 9 884 445 (56.5) | 45 040 (59.4) | 49 373 (58.6) | 9661 (60.9) |
| Race | ||||
| White | 13 320 408 (76.1) | 51 908 (68.5) | 48 939 (58.1) | 12 589 (78.4) |
| Black | 2 370 271 (13.5) | 11 832 (15.6) | 18 676 (22.2) | 1602 (10.1) |
| Hispanic | 1 274 830 (7.3) | 9509 (12.6) | 12 362 (14.7) | 1268 (8.0) |
| Other | 536 233 (3.1) | 2520 (3.3) | 4294 (5.1) | 398 (2.5) |
| BMI | ||||
| <30 | 10 955 848 (62.6) | 50 962 (67.3) | 54.660 (64.9) | 10 156 (64.1) |
| ≥30 | 6 545 894 (37.4) | 24 807 (32.7) | 29.611 (35.1) | 5701 (36.0) |
| Cause of death | ||||
| Anoxia | 3 448 711 (19.7) | 23 646 (31.8) | 24 088 (28.6) | 6306 (39.8) |
| Cerebrovascular causes/stroke | 10 089 023 (57.7) | 27 816 (36.7) | 34 077 (40.4) | 5.087 (32.1) |
| Central nervous system tumor | 73 590 (0.4) | 261 (0.3) | 375 (0.4) | 28 (0.2) |
| Head trauma | 3 685 799 (21.1) | 22.694 (30.0) | 24 252 (28.8) | 3880 (24.5) |
| Other | 204 619 (1.2) | 1352 (1.8) | 1479 (1.8) | 556 (3.5) |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); CDC, Centers for Disease Control and Prevention; UNOS, United Network for Organ Sharing.
a
Ineligible donors are donors who did not meet at least 1 of the Organ Procurement and Transplantation Network donation eligibility criteria. Patients from Puerto Rico were excluded from all analyses because the death data for this subgroup were not included in the available CDC mortality data.