Table 1.
Patient Characteristics
| Characteristic | Overall, N (%) or mean (SD) | No readmission, n (%) or mean (SD) | Readmission, n (%) or mean (SD) | p-valuea |
|---|---|---|---|---|
| Demographics and donor factors | ||||
| Patients (%) | 795 (100.0) | 434 (54.6) | 361 (45.4) | |
| Age of recipient, years (SD) | 52.9 (15.0) | 52.8 (15.2) | 53.0 (14.8) | 0.7163 |
| Age of donor, years (SD) | 34.5 (15.4) | 34.9 (15.3) | 34.0 (15.4) | 0.4048 |
| Female sex (%) | 323 (40.6) | 166 (38.2) | 157 (43.4) | 0.1341 |
| White race (%) | 699 (87.9) | 382 (88.0) | 317 (87.8) | 0.9982 |
| Diagnosis (%) | 0.7345 | |||
| Obstructive disease | 255 (32.0) | 135 (31.1) | 120 (33.2) | |
| Restrictive disease | 352 (44.2) | 195 (44.9) | 157 (43.4) | |
| CF/bronchiectasis | 137 (17.2) | 75 (17.2) | 62 (17.1) | |
| Primary pulmonary hypertension | 14 (1.7) | 6 (1.3) | 8 (2.2) | |
| Other | 37 (4.6) | 23 (5.3) | 14 (3.8) | |
| Ischemic time, hours (SD) | 6.5 (1.7) | 6.6 (1.8) | 6.4 (1.7) | 0.2199 |
| No. unknown | 182 | |||
| End match LAS (SD) | 47.6 (16.5) | 47.9 (16.9) | 47.2 (15.9) | 0.6052 |
| No. unknown | 288 | |||
| Pre-existing comorbidities | ||||
| BMI (SD) | 23.5 (4.0) | 23.4 (4.1) | 23.8 (4.0) | 0.2215 |
| No. unknown | 101 | |||
| Diabetes mellitus (%) | 129 (16.2) | 66 (15.2) | 63 (17.4) | 0.3928 |
| COPD (%) | 305 (38.3) | 171 (39.4) | 134 (37.1) | 0.5103 |
| CHF (%) | 59 (7.4) | 28 (6.4) | 31 (8.5) | 0.2527 |
| CAD (%) | 216 (27.1) | 114 (26.2) | 102 (28.2) | 0.5308 |
| Atrial fibrillation (%) | 51 (6.4) | 26 (5.9) | 25 (5.9) | 0.5924 |
| PVD (%) | 19 (2.3) | 11 (2.5) | 8 (2.2) | 0.7699 |
| Operative and post-operative factors | ||||
| Bilateral transplant (%) | 680 (85.5) | 367 (84.5) | 313 (86.7) | 0.3928 |
| Cardiopulmonary bypass (%) | 96 (18.7) | 51 (18.0) | 45 (19.7) | 0.6216 |
| No. unknown | 284 | |||
| Post-operative LOS (SD) | 21.8 (26.3) | 22.3 (28.7) | 21.2 (23.3) | 0.5514 |
| No. unknown | 9 | |||
| ICU days (SD) | 8.00 (1.9) | 8.04 (1.2) | 7.9 (11.4) | 0.9325 |
BMI, body mass index; CAD, coronary artery disease; CF, cystic fibrosis; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; ICU, intensive care unit; LAS, lung allocation score; LOS, length of stay; PVD, peripheral vascular disease.
a
Chi-square or t-test.