Figure 1

Figure 2

Clinicopathological patient characteristics
| Total | N = 54 |
|---|---|
| Histology | |
| Squamous-cell carcinoma | 25 (46%) |
| Adenocarcinoma | 29 (54%) |
| Sex | |
| Male | 34 (63%) |
| Female | 20 (37%) |
| Age (years) | |
| Mean (SD) | 62.4 (8.6) |
| Smoking status | |
| Current smoker | 25 (46%) |
| Former-smoker (>1 year) | 21 (39%) |
| Non-smoker | 0 (0%) |
| Unknown | 8 (15%) |
PD-L1 positivity according to histology for cut-off value of 5% and higher and 10% and higher
Tumor specimens N | PD-L1 positivity (cut-off ≥ 5%) | PD-L1 positivity (cut-off ≥ 10%) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| TC or IC | TC | IC | p value | TC or IC | TC | IC | p value | ||
| N (%) | N (%) | N (%) | TC vs. IC | N (%) | N (%) | N (%) | TC vs. IC | ||
| Total | 54 | 43 (80) | 18 (33) | 40 (74) | 31 (57) | 17 (31) | 28 (52) | ||
| Adenocarcinoma | 29 | 21 (72) | 5 (17) | 21 (72) | < 0.001 | 12 (41) | 4 (14) | 12 (41) | 0.008 |
| Squamous-cell carcinoma | 25 | 22 (88) | 13 (52) | 19 (76) | 0.146 | 19 (76) | 13 (52) | 16 (64) | 0.508 |