Table 2 General characteristics of the study participants
Controls (n = 15) | COPD patients (n = 15) | p | |
|---|---|---|---|
Male sex (n) | 14 (93.3) | 10 (66.7) | NS |
Age (years) | 62.5 (9.8) | 68.3 (7.4) | NS |
Active smokers (n) | 3 (20) | 3 (20) | NS |
Body mass index (Kg/m2) | 26.1 (4.4) | 28.5 (4.2) | NS |
FVC (mL) | 3,274.1 (1,108.5) | 3,016 (310.2) | NS |
FVC (%) | 92.8 (15.9) | 86.7 (20.9) | NS |
FEV1 (mL) | 2,459.1 (775.5) | 1,717 (574.6) | 0.021 |
FEV1 (%) | 92.8 (33.1) | 72 (13) | 0.031 |
FEV1/FVC (%) | 76.2 (6.6) | 62.5 (4.8) | < 0.001 |
Resection type | NS | ||
- Pneumonectomy or (n) | 4 (26.7) | 2 (13.3) | |
- Lobectomy (n) | 11 (73.3) | 12 (80.0) | |
- Atypical (n) | 0 | 1 (6.7) | |
Pathology: | NS | ||
- Squamous carcinoma (n) | 6 (40.0) | 8 (53.3) | |
- Adenocarcinoma (n) | 5 (33.3) | 7 (46.7) | |
- Other (n) | 2 (13.3) | 0 | |
- Benign tumor (n) | 1 (6.7) | 0 | |
- Non-neoplastic disease (n) | 1 (6.7) | 0 |