Table 1.
Clinical characteristics of patients included in the study.
| Patients (N = 40) | |
|---|---|
| Age - median (range in years) | 68.5 (37−83) |
| Sex - no (%) | |
| Male | 22 (55) |
| Female | 18 (45) |
| Disease stage | |
| IIIA | 16 (40) |
| IIIB | 12 (30) |
| IIIC | 7 (17.5) |
| Other | IIA 2 (5), IIB 3(7.5) |
| WHO performance status - no (%) | |
| 0 | 21 (52.5) |
| 1 | 19 (47.5) |
| EGFR mutation status - no (%) | |
| Negative | 35 (87.5) |
| Positive | 1 (2.5) |
| Unknown | 4 (10) |
| PD-L1 expression level - no (%) | |
| <25 % | 16 (40) |
| >25 % | 17 (42.5) |
| Unknown | 7 (17.5) |
| Histology - no (%) | |
| Squamous | 9 (22.5) |
| Non-squamous | 31 (77.5) |
WHO: world health organisation, EGFR: epidermal growth factor receptor, PD-L1: programmed death-ligand 1.