Table 5.
Characteristics of Subjects Surviving Greater than 1 year after transplant
| Characteristic | Survived less than 1 year after transplant |
Survived ≥ 1 year after transplant |
p-value | |
|---|---|---|---|---|
| Data presented as n (%) or mean ± SD | ||||
| N | 115 | 208 | ||
| Age Category | ||||
| 18-49 | 41 (35.7) | 92 (44.2) | 0.01 | |
| 50-60 | 32 (27.8) | 51 (24.5) | ||
| 60-65 | 32 (27.8) | 32 (15.4) | ||
| >65 | 10 (8.7) | 33 (15.9) | ||
| Sex (female) | 143 (40) | 150 (42) | 0.47 | |
| Indication for Transplant by Diagnostic Category* | ||||
| Group A | 16 (13.9) | 59 (28.4) | 0.01 | |
| Group B | 5 (4.4) | 5 (2.4) | ||
| Group C | 18 (15.7) | 42 (20.2) | ||
| Group D | 76 (66.1) | 102 (49.0) | ||
| Ethnicity | ||||
| White, non- Hispanic | 98 (85.2) | 182 (87.5) | 0.65 | |
| Black | 9 (7.8) | 10 (4.8) | ||
| Hispanic | 5 (4.3) | 12 (5.7) | ||
| Asian | 3 (2.6) | 4 (1.9) | ||
| Prior cigarette use | 58 (52.2) | 111 (55.0) | 0.67 | |
| Body Mass Index | 24.1 ± 5.2 | 26.1 (5.6) | 0.36 | |
| Creatinine (mg/dl) | 1.2 ± 0.8 | 0.9 ± 0.5 | < 0.001 | |
| pCO2 (mm Hg) | 54.4 ± 21.0 | 52.8 ± 17.0 | 0.46 | |
| FEV1 (% of predicted) | 38.6 ± 21.0 | 36.3 ± 20.4 | 0.33 | |
| FVC (% of predicted) | 44.5 ± 17.2 | 45.6 ± 17.9 | 0.61 | |
| Lung Allocation Score | 64.8 ± 23.0 | 63.1 ± 22.6 | 0.53 | |
| Transplant Type | ||||
| Single lung | 39 (33.9) | 29 (13.9) | 0.003 | |
| Bilateral lung | 74 (64.4) | 174 (83.7) | ||
| Heart-lung | 2 (1.7) | 5 (2.4) | ||
| Center volume (transplants performed per year) | ||||
| ≤ 20 | 23 (20.0) | 36 (17.3) | 0.18 | |
| 21-34 | 30 (26.1) | 35 (16.8) | ||
| ≥ 35 | 62 (53.9) | 137 (65.9) | ||
pCO2 = arterial partial pressure of carbon dioxide; FEV1 = Forced expiratory volume in 1 second; FVC = Forced vital capacity
*
Diagnostic categories used for calculation of the Lung Allocation Score