Table 3.
Recipient characteristics, resource use, and complications by transplant center volume
| |
Low Volume |
Intermediate Volume |
High Volume |
P Value* |
|---|---|---|---|---|
| (n = 604) | (n = 800) | (n = 1,724) | ||
| Recipient characteristic | ||||
| Age (yr), median (IQR) | 61.5 (53–66) | 60 (51–65) | 65 (56–67) | <0.0001 |
| Bilateral transplant, n (%) | 369 (61.09) | 418 (52.25) | 1,035 (60.03) | 0.0003 |
| LAS at transplant, median (IQR) | 36.46 (33.22–43.23) | 37.28 (33.82–43.91) | 38.58 (33.84–48.77) | <0.0001 |
| Pretransplant life support, n (%) | 26 (4.3) | 40 (5.0) | 107 (6.21) | <0.1591 |
| Admission resource use | ||||
| Total costs, mean (±SD) | $143,609 (±$123,316) | $138,792 (±$106,270) | $131,352 (±$106,165) | <0.0001 |
| Total costs, median (IQR) | $95,234 ($83,052–$152,149) | $93,024 ($82,700–$154,857) | $90,177 ($79,165–$137,915) | <0.0001 |
| Hospital length of stay, median (IQR) | 17 (11–29) | 15 (11–27) | 16 (11–29) | 0.0430 |
| ICU length of stay, median (IQR) | 14 (9–23) | 11 (6–20) | 10 (4–18) | <0.0001 |
| Outlier cost payments, n (%) | 272 (45.03) | 251 (31.38) | 570 (33.06) | <0.0001 |
| Admission complications | ||||
| Reintubation, n (%) | 0.0790 | |||
| Yes | 123 (20.4) | 130 (16.25) | 332 (19.26) | |
| Unknown | 21 (3.48) | 12 (1.50) | 15 (0.87) | |
| Ventilator support duration, n (%) | 0.0154 | |||
| 0–47 h | 337 (55.79) | 513 (64.13) | 1,157 (67.11) | |
| 48 h to 5 d | 98 (16.23) | 108 (13.50) | 232 (13.46) | |
| 5 d or longer | 112 (18.54) | 132 (16.50) | 273 (15.84) | |
| Unknown | 57 (9.44) | 47 (5.88) | 62 (3.60) | |
| Tracheostomy, n (%) | 0.5597 | |||
| Yes | 13 (2.15) | 12 (1.5) | 36 (2.09) | |
| Unknown | 16 (2.65) | 2 (0.25) | 4 (0.23) | |
| Dialysis, n (%) | 0.0020 | |||
| Yes | 9 (1.49) | 3 (0.38) | 4 (0.23) | |
| Unknown | 1 (0.17) | 0 (0.0) | 27 (1.57) |
Definition of abbreviations: ICU = intensive care unit; IQR = interquartile range; LAS = lung allocation score.
*
P value reflects significance of comparison across all volume groups.