| Characteristic | Group A (n = 89) | Group B (n = 29) | Group C (n = 10) | P |
---|---|---|---|---|---|
HRCT IP pattern | UIP /Non-UIP | 49/40 | 11/18 | 0/10 | 0.002 |
Clinical diagnosis of IPF | IPF/Non-IPF | 41/48 | 10/19 | 0/10 | 0.014 |
Pulmonary emphysema | Yes/No | 69/20 | 29/0 | 2/8 | < 0.001 |
Postoperative acute exacerbation of IP | Â | 7 | 1 | 0 | N.S. |
Location of lung cancer | Upper lobe/Middle lobe/Lower lobe | 11/3/75 | 26/1/2 | 3/4/3 | < 0.001 |
Histopathology | Adenocarcinoma | 29 | 9 | 8 | 0.01 |
Adenosquamous carcinoma | 4 | 3 | 0 | N.S. | |
Squamous cell carcinoma | 49 | 16 | 2 | N.S. | |
Other | 7 | 1 | 0 | N.S. | |
EGFR mutation | Positive | 2 | 0 | 2 | 0.047 |