Table 2. Characteristics of Organ Donors by Age Group of Transplant Recipients.
| Variable | No avail |
Age 18-59 | No avail |
Age 60-69 | No avail |
Age ≥70 | P- value1 |
|---|---|---|---|---|---|---|---|
| Donor Characteristic | |||||||
| Gender, Male, No (%) | 36,190 | 25,647 (70.9) | 13,527 | 9,498 (70.2) | 715 | 479 (67.0) | 0.05 |
| Age (years), Median (25th, 75th) | 36,190 | 28 (20, 39) | 13,525 | 30 (21, 43) | 715 | 36 (23, 48) | <.001 |
| Age ≥35, No (%) | 36,190 | 12,535 (34.6) | 13,525 | 5,607 (41.5) | 715 | 382 (53.4) | <.001 |
| Age ≥45, No (%) | 36,190 | 5,302 (14.7) | 13,525 | 2,882 (21.3) | 715 | 222 (31.1) | <.001 |
| CDC high risk, No (%) 2,3 | 9,294 | 971 (10.5) | 4,750 | 476 (10.0) | 409 | 65 (15.9) | 0.61 |
| Tattoos present, No (%) 4 | 9,277 | 3,955 (42.6) | 4,757 | 2,029 (42.7) | 408 | 166 (40.7) | 0.80 |
| Donor History | |||||||
| History of diabetes, No (%) 5 | 9,287 | 277 (3.0) | 4,745 | 162 (3.4) | 408 | 27 (6.6) | 0.01 |
| Insulin dependence, No (%) 5 | 276 | 117 (42.4) | 162 | 69 (42.6) | 27 | 16 (59.3) | 0.40 |
| History of cigarette use, No (%) 5 | 9,233 | 1,280 (13.9) | 4,709 | 760 (16.1) | 407 | 83 (20.4) | <.001 |
| Cigarette use in last 6 months, No (%) 5 | 1,275 | 1,157 (90.8) | 755 | 689 (91.3) | 83 | 74 (89.2) | 0.89 |
| Heavy alcohol use, No (%) 3 | 9,161 | 1,359 (14.8) | 4,696 | 757 (16.1) | 404 | 82 (20.3) | 0.005 |
| History of cocaine use, No (%) 4 | 9,117 | 1,302 (14.3) | 4,659 | 698 (15.0) | 402 | 77 (19.2) | 0.05 |
| Cocaine use in last 6 months, No (%) 4 | 1,116 | 558 (50.0) | 587 | 284 (48.4) | 69 | 37 (53.6) | 0.75 |
| History of other drug use, No (%) 5 | 9,193 | 3,761 (40.9) | 4,690 | 1,995 (42.5) | 405 | 170 (42.0) | 0.07 |
| Other drug use in last 6 months, No (%) 5 | 3,316 | 2,354 (71.0) | 1,768 | 1,234 (69.8) | 155 | 114 (73.6) | 0.58 |
| Combo smoking, alcohol, cocaine, other drugs, No (%) 3 |
9,304 | 117 (1.3) | 4,764 | 78 (1.6) | 409 | 8 (2.0) | 0.04 |
| Donor Transplant Variables | |||||||
| Cardiac arrest with downtime, No (%) 4 | 9,305 | 611 (6.6) | 4,766 | 319 (6.7) | 409 | 35 (8.6) | 0.42 |
| LVEF (%), Median (25th, 75th) 4 | 9,258 | 60 (55, 65) | 4,754 | 60 (55, 65) | 404 | 60 (55, 65) | 0.82 |
| Cause of death, No (%) | 36,114 | 13,500 | 715 | <.001 | |||
| Head trauma | 19,633 (54.4) | 7,269 (53.8) | 333 (46.6) | ||||
| Cerebrovascular/Stroke | 8,875 (24.6) | 3,718 (27.5) | 221 (30.9) | ||||
| Anoxia | 3,365 (9.3) | 1,423 (10.5) | 130 (18.2) | ||||
| CNS tumor | 272 (0.8) | 118 (0.9) | 8 (1.1) | ||||
| Other | 3,969 (11.0) | 972 (7.2) | 23 (3.2) | ||||
| Ischemic time (hours), Median (25th, 75th) | 34,458 | 2.9 (2.2, 3.6) | 12,849 | 3.0 (2.3, 3.7) | 675 | 3.2 (2.5, 3.9) | <.001 |
| Gender mismatch between donor and recipient, No (%) |
36,190 | 10,559 (29.2) | 13,527 | 3,780 (27.9) | 715 | 213 (29.8) | 0.01 |
1
P-values are based on chi-square rank based group means score statistics for all categorical row variables and chi-square 1 df rank correlation statistics for all continuous/ordinal row variables.
2
High risk defined as history of hemophilia, IV drug use, prostitution, high risk sexual activity, HIV exposure, or jail sentencing.
3
Excludes donors admitted before Jun 30, 2004
4
Excludes donors admitted before Oct 25, 1999
5
Excludes donors admitted before Apr 1, 1994