Table 1.
Main epidemiological data of LUAD patients
| Retrospective study (n=29) | ||
|---|---|---|
| Age (years) | Mean (Range) | 67 (41 - 85) |
| Sex | Female | 6 (20.7%) |
| Male | 23 (79.3%) | |
| Smoking history | Smokers or smoking history | 29 (100%) |
| Non smoker | 0 (0%) | |
| COPD # | Yes | 18 (62%) |
| No | 11 (37.9%) | |
| Stage at surgery | I | 15 (51.7%) |
| II | 10 (34.4%) | |
| III | 2 (6.9%) | |
| IV | 0 (0%) | |
| Adjuvant chemotherapy | Yes | 3 (10.3%) |
| No | 26 (89.7%) | |
| Relapse | Yes | 7 (24.1%) |
| No | 19 (65.6%) | |
| Unknown | 3 (10.3%) | |
| Prospective study (n=24) | ||
| Age (years) | Mean (Range) | 68 (44 - 80) |
| Sex | Female | 12 (50%) |
| Male | 12 (50%) | |
| Smoking history | Smokers or smoking history | 19 (79.2%) |
| Non smoker | 5 (20.8%) | |
| COPD | Yes | 6 (25%) |
| No | 17 (70.8%) | |
| Unknown | 1 (4.2%) | |
| Stage at surgery | I | 12 (50%) |
| II | 4 (17%) | |
| III | 8 (33%) | |
| IV | 0 (0%) | |
| Adjuvant chemotherapy | Yes | 9 (37.5%) |
| No | 15 (62.5%) | |
| Relapse | Yes | 5 (20.8%) |
| No | 11 (45.8%) | |
| Unknown | 8 (33.3%) |
# COPD: chronic obstructive pulmonary disease.