TABLE 1.
MAIN CHARACTERISTICS OF PATIENTS AT REGISTRATION AND AT TRANSPLANTATION
| At Registration
(n =
704) |
At Transplantation
(n = 454)* |
|||
|---|---|---|---|---|
| Characteristics | Nonmissing Data (%) | Values | Nonmissing Data (%) | Values |
| Recipient | ||||
| Age, yr | 100 | 30.0 (9.4) | 100 | 30.3 (9.4) |
| Age distribution | 100 | 100 | ||
| 18–22 | 201 (28.6) | 114 (25.1) | ||
| 23–27 | 180 (25.6) | 131 (28.9) | ||
| 28–34 | 149 (21.2) | 100 (22.0) | ||
| >34 | 174 (24.7) | 109 (24.0) | ||
| Sex, male | 100 | 355 (50.4) | 100 | 251 (55.3) |
| Functional status† | 99.0 | 98.0 | ||
| Class I | 141 (20.3) | 86 (19.2) | ||
| Class II | 415 (59.8) | 246 (55.0) | ||
| Class III | 138 (19.9) | 115 (25.7) | ||
| 6-min-walk distance, ft, median (IQR) | 87.0 | 1,120 (800–1,360) | 98.0 | 950.0 (565–1,238) |
| Diabetes | 98.0 | 335 (48.6) | 98.0 | 225 (50.6) |
| FVC, % predicted | 94.0 | 40.0 (11.8) | 100 | 38.8 (13.4) |
| Pulmonary artery pressure, mm Hg | 75.0 | 38.1 (11.4) | 79.0 | 39.0 (11.5) |
| Body mass index, kg/m2 | 100 | 19.4 (3.6) | 100 | 19.3 (3.0) |
| Receiving mechanical ventilation | 100 | 40 (5.7) | 100 | 34 (7.5) |
| ECMO | 100 | 0 | 100 | 3 (0.7) |
| Surgery | ||||
| Ischemic time, h | 87.0 | 5.8 (1.7) | ||
| Distance for graft retrieval, miles, median (IQR) | 100 | 161.9 (23.6–316.6) | ||
| Donor | ||||
| Age, yr | 100 | 31.0 (13.5) | ||
| Sex, male | 100 | 275 (60.6) | ||
| Body mass index, kg/m2 | 99.9 | 24.4 (4.5) | ||
| Diabetes | 100 | 22 (4.9) | ||
| Cause of death | 100 | |||
| Anoxia | 39 (8.6) | |||
| Stroke | 140 (30.9) | |||
| Head trauma | 259 (57.2) | |||
| CNS tumor | 6 (1.3) | |||
| Others | 9 (2.0) | |||
Definition of abbreviations: CNS = central nervous system; ECMO = extracorporeal membrane oxygenation; IQR = interquartile range.
Data are from the United Network for Organ Sharing based on Organ Procurement and Transplantation Network data as of February 2009. Data are mean (SD) or number (%) unless otherwise indicated.
*
A total of 473 patients underwent lung transplantation, but data were not available for 19 (4.0%).
†
Ranges from class I to III, whether the patient performs activity of daily living with no, some, or total assistance, respectively.