Table 1.
Demographics and clinical characteristics of the patients at baseline. SD, standard deviation; NSCLC‐NOS, non‐small‐cell lung cancer‐not otherwise specified.
| Baseline characteristics |
Patients n a (%) |
|---|---|
| Mean age (years) ± SD, range | 63.3 ± 8.3, 45–79 |
| Sex | |
| Female | 13 (26) |
| Male | 37 (74) |
| Smoking | |
| Smoker | 31 (62) |
| Former smoker | 12 (24) |
| Never | 7 (14) |
| Histology | |
| Adenocarcinoma | 44 (88) |
| Squamous cell carcinoma | 4 (8) |
| NSCLC‐NOS | 2 (4) |
| ECOG PS | |
| 0 | 10 (20) |
| 1 | 34 (68) |
| 2 | 6 (12) |
| PD‐L1 expression in the tissue | |
| < 80% | 33 (66) |
| ≥ 80% | 17 (34) |
| Number of metastatic sites | |
| ≤ 2 | 35 (70) |
| > 2 | 15 (30) |
| Pembrolizumab treatment | |
| Monotherapy | 37 (74) |
| In combination with chemotherapy | 13 (26) |
a
n = 50 at baseline.