Table 1 Patient characteristics
|  | Characteristic | All patients (n = 120) |
|---|---|---|
Age, years |  | 74 (50–90) |
Sex | Male/Female | 97/23 |
Etiology of IP | Idiopathic/Other | 101/19 |
Clinical diagnosis of IPF | IPF/Non-IPF | 50/70 |
Surgical approach | VATS/Open surgery | 116/4 |
Pathological staging | Stage Ia/Ib/IIa/IIb/III/IV/undetermined | 46/27/16/5 10/2/14 |
Postoperative adjuvant chemotherapy | Yes/No | 8 (6.7%)/112 (93.3%) |