| Characteristic | N | (%) |
| Age |
|
|
| <50 | 4 | (3.9) |
| 50 - 60 | 27 | (26.2) |
| 60 - 70 | 38 | (36.9) |
| 70+ | 34 | (33.0) |
| Sex |
|
|
| Female | 40 | (38.8) |
| Race |
|
|
| African-American | 5 | (4.9) |
| Asian | 4 | (3.9) |
| White | 92 | (89.3) |
| Hispanic | 1 | (1.0) |
| Native American | 1 | (1.0) |
| Pack-years of tobacco |
|
|
| 0 | 4 | (3.9) |
| 1 - 40 | 22 | (21.4) |
| 40+ | 74 | (71.8) |
| Smoker―amt. unknown | 3 | (2.9) |
| Tumor size (cm) |
|
|
| 1 - 2 | 28 | (27.2) |
| 2 - 3 | 33 | (32.0) |
| 3 - 5 | 34 | (33.0) |
| 5+ | 8 | (7.8) |
| Histologic stage |
|
|
| I | 61 | (59.2) |
| II | 26 | (25.2) |
| III | 14 | (13.6) |
| IV | 2 | (1.9) |
| Histology sub-type |
|
|
| ADC | 41 | (39.8) |
| SCC | 36 | (35.0) |
| LCC | 14 | (13.6) |
| BAC | 6 | (5.8) |
| NSCLC, other/mixed | 6 | (5.8) |
| Differentiation |
|
|
| Well | 7 | (6.8) |
| Moderate | 37 | (35.9) |
| Poor | 59 | (57.3) |