TABLE 1.
Subject Characteristics
| All subjects (n=30) | Primary lung cancer (n=20) | Oligometastatic (n=10) | |
|---|---|---|---|
| Age at consent (y) | 68.4±10.3 (49–90) | 72.2±9.3 (56–90) | 60.9±8.2 (49–75) |
| Female | 12/30 (40) | 8/20 (40.0) | 4/10 (40.0) |
| Male | 18/30 (60.0) | 12/20 (60.0) | 6/10 (60.0) |
| History or presence of tobacco use | 20/30 (66.7) | 14/20 (70.0) | 6/10 (60.0) |
| COPD, % (n/N) | 10/30 (33) | 10/20 (50.0) | 0/10 (0.0) |
| FEV1 (% predicted) | 85±23 (33–127) | 78±20 (53–118) | 99±25 (33–127) |
| FVC (% predicted) | 100±17 (66–130) | 97±17 (66–127) | 106±16 (75–130) |
| DLCO (% predicted) | 72±19 (41–109) | 65±19 (41–109) | 85±12 (67–105) |
| Prior lobectomy | 9/30 (30.0) | 7/20 (35.0) | 2/10 (20.0) |
| Prior wedge resection | 5/30 (16.7) | 4/20 (20.0) | 1/10 (10.0) |
| Prior pneumonectomy | 2/30 (6.7) | 2/20 (10.0) | 0/10 (0.0) |
| Prior radiotherapy | 1/30 (3.3) | 1/20 (5.0) | 0/10 (0.0) |
Data are presented as n/N (%) or mean±SD (mix-max).
COPD indicates chronic obstructive pulmonary disease; DLCO, diffusing capacity of the lung; FVC, forced vital capacity (FVC); FEV1, forced expiratory volume in one second. Lung function data not available in one primary lung subject