Table 1. Patient Characteristics Based on Bridging Strategy.
| Overall N= 22863 | Mechanical Bridging N= 9049 | Medical Bridging N= 13814 | p-value* | |
|---|---|---|---|---|
| Clinical Characteristics | ||||
| Age > 60 | 13333 (58.3%) | 5245 (58.2%) | 8088 (58.4%) | 0.76 |
| Male Gender | 16967 (74.2%) | 7112 (78.9%) | 9855 (71.2%) | <0.001 |
| Ethnicity | <0.001 | |||
| White | 15362 (67.2%) | 5916 (65.6%) | 9446 (68.2%) | |
| Black | 4884 (21.4%) | 2192 (24.3%) | 2696 (19.4%) | |
| Hispanic | 1701 (7.4%) | 592 (6.6%) | 1109 (8.0%) | |
| Other | 916 (4.0%) | 313 (3.5%) | 603 (4.4%) | |
| Diabetes | 6547 (28.7%) | 2836 (31.5%) | 3711 (26.9%) | <0.001 |
| CVA | 1265 (5.6%) | 531 (6.0%) | 734 (5.4%) | 0.06 |
| AICD | 17687 (78.0%) | 7039 (78.7%) | 10648 (77.5%) | 0.033 |
| Smoking | 11041 (48.3%) | 4763 (52.9%) | 6278 (45.4%) | <0.001 |
| Blood Type O | 10059 (44.0%) | 4423 (49.1%) | 5636 (40.7%) | <0.001 |
| BSA > 2.25 | 4119 (8.0%) | 2050 (22.7%) | 2069 (14.9%) | <0.001 |
| Heart Failure Diagnosis | <0.001 | |||
| Dilated Myopathy | 20471 (89.5%) | 8732 (96.9%) | 11739 (84.8%) | |
| Non-Dilated Myopathy | 2392 (10.5%) | 281 (3.1%) | 2111 (15.2%) | |
| UNOS status @ Listing | <0.001 | |||
| Status 1A | 5168 (23.2%) | 2373 (27.5%) | 2795 (20.5%) | |
| Status 1B | 9678 (43.5%) | 4575 (53.0%) | 5103 (37.5%) | |
| Status 2 | 7411 (33.3%) | 1688 (19.6%) | 5723 (42.0%) | |
| Functional Status | 10490 (45.9%) | 4065 (45.1%) | 6425 (46.4%) | <0.001 |
| Excellent | 6919 (31.0%) | 2737(31.1%) | 4182 (31.0%) | |
| Moderate | 12099 (54.2%) | 4642 (52.7%) | 7457 (55.2%) | |
| Poor | 3305 (14.8%) | 1436 (16.3%) | 1869 (13.8%) | |
| Creatinine > 2 | 1421 (6.2%) | 555 (6.2%) | 866 (6.3%) | 0.73 |
| PRA* | 542 (29.3%) | 272 (29.1%) | 270 (29.5%) | 0.82 |
| UNOS Region | <0.001 | |||
| 1 | 2926 (12.8%) | 1122 (12.5%) | 1804 (13.0%) | |
| 2 | 1102 (4.8%) | 437 (4.9%) | 665 (4.8%) | |
| 3 | 2565 (11.2%) | 771 (4.9%) | 1794 (13.0%) | |
| 4 | 2558 (11.2%) | 849 (9.4%) | 1709 (12.3%) | |
| 5 | 3237 (14.2%) | 968 (10.7%) | 2269 (16.4%) | |
| 6 | 654 (2.9%) | 378 (4.2%) | 276 (2.0%) | |
| 7 | 2086 (9.1%) | 1011 (11.2%) | 1075 (7.8%) | |
| 8 | 1383 (6.1%) | 516 (5.7%) | 867 (6.3%) | |
| 9 | 1611 (7.1%) | 719 (5.7%) | 892 (6.4%) | |
| 10 | 1917 (8.4%) | 923 (10.2%) | 994 (7.2%) | |
| 11 | 2824 (12.4%) | 1319 (14.6%) | 1505 (10.9%) | |
Categorical variables represented as n (%)
CVA, cerebrovascular accident; AICD, automatic internal cardiac defibrillator; Dilated Myopathy, includes ischemic and nonischemic dilated cardiomyopathies as well as myocarditis; Non-Dilated Myopathy, includes restrictive, hypertrophic, and congenital cardiomyopathy. Also includes retransplant; PRA, panel reactive antibodies present; UNOS, United Network for Organ Sharing; WL, waitlist.