Characteristics of the 85 Patients
| Characteristic | n |
| Age (y)* | |
| <60 | 30 (35.3%) |
| 60–70 | 34 (40.0%) |
| >70 | 21 (24.7%) |
| Sex | |
| Female | 44 (51.8%) |
| Male | 41 (48.2%) |
| Race | |
| White | 68 (80.0%) |
| Black | 10 (11.8%) |
| Other | 7 (8.2%) |
| Smoking | |
| Yes | 62 (72.9%) |
| No | 23 (27.1%) |
| Histology | |
| Adenocarcinoma | 27 (31.8%) |
| Bronchioalveolar carcinoma | 3 (3.5%) |
| Carcinoid | 1 (1.2%) |
| Fibrous tumor | 1 (1.2%) |
| Mesothelioma | 4 (4.7%) |
| NSCLC | 30 (35.3%) |
| SCC | 19 (22.4%) |
| Stage | |
| I | 23 (27.1%) |
| II | 10 (11.8%) |
| III | 19 (22.4%) |
| IV | 18 (21.2%) |
| Unknown | 15 (17.6%) |
| Last treatment | |
| Surgery | 30 (35.3%) |
| Radiation | 20 (23.5%) |
| Chemotherapy | 35 (41.2%) |
| PET/CT outcome | |
| Negative | 18 (21.2%) |
| Positive | 67 (78.8%) |
↵* Mean ± SD, 64.6 ± 9.9 y.