Table 1.
Demographic and baseline characteristics from patients with NSCLC in this study
| All patients N=183 |
Stage I–III N=110 |
Stage IV N=73 |
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| Median age in years, range | 66 (39–90) | 68 (40–90) | 63 (39–87) | |
| Sex, n (%) | Male | 91 (50) | 59 (54) | 33 (45) |
| Female | 92 (50) | 51 (46) | 40 (55) | |
| Smoking status, n (%) | Active | 59 (32) | 30 (27) | 29 (40) |
| Former | 88 (48) | 60 (54) | 28 (38) | |
| Never | 10 (6) | 3 (3) | 7 (10) | |
| Unknown | 26 (14) | 17 (16) | 9 (12) | |
| Tumor histology, n (%) | Adenocarcinoma | 129 (70) | 72 (65) | 57 (78) |
| Squamous cell carcinoma | 38 (21) | 30 (27) | 8 (11) | |
| NOS | 11 (6) | 4 (4) | 7 (10) | |
| Other | 5 (3) | 4 (4) | 1 (1) | |
| Tissue origin, n (%) | Primary tumor | 130 (71) | 101 (92) | 29 (40) |
| Lymph nodes | 24 (13) | 8 (7) | 16 (22) | |
| Metastasis | 22 (12) | 1 (1) | 21 (29) | |
| Pleural fluid | 7 (4) | 0 (0) | 7 (9) | |
| PD-L1 status, n (%) | <1% | 80 (44) | 43 (39) | 37 (51) |
| 1%–50% | 44 (24) | 33 (30) | 11 (15) | |
| >50% | 43 (24) | 22 (20) | 21 (29) | |
| Unknown | 16 (8) | 12 (11) | 4 (5) | |
NOS, not otherwise specified; NSCLC, non-small cell lung cancer.