Table I.
Patient demographics.
| Demographics | LC (32) | IPF (n=57) | P-value |
|---|---|---|---|
| Age | 67.7 (±11.9) | 72 (±7.3) | 0.01 |
| Sex (M/F) | 26/6 | 46/11 | NS |
| Pyrs | 75 (47.5–100) | 30 (6–45) | 0.001 |
| Non smoker/smoker | 2/26 | 13/43 | NS |
| PFTs | LC | IPF | |
| FVC, % | ND | 78.6 (±17,6) | NA |
| FEV1, % | ND | 84.8 (±19.3) | NA |
| FEV1/FVC, % | ND | 84.21 (79.8–89) | NA |
| TLC | ND | 75.5 (62.1–83.4) | NA |
| TLCO/SB | ND | 51.3 (±16.8) | NA |
| KCO | ND | 88 (±23.7) | NA |
| BAL, % | LC | IPF | |
| Macrophages | 86.2 (70.3–93.3) | 80.38 (66–88) | NS |
| Lymphocytes | 5.8 (3.6–11.1) | 6.4 (3.5–12.7) | NS |
| Neutrophils | 3 (1.3–6.3) | 5.8 (2.4–12.9) | NS |
| Eosinophils | 0 (0–1.5) | 1.1 (0.4–2.6) | 0.01 |
LC, lung cancer; IPF, idiopathic pulmonary fibrosis; M, male; F, female; PFTs, pulmonary function tests; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 sec; BAL, bronchoalveolar lavage; TLC, total lung capacity; KCO, transfer coefficient of carbon monoxide; NS, not significant; NA, not applicable.