Table 1.
Summary of clinical and pathological patients' characteristics.
| Patients' characteristics | N | % | Mean | SD | Min-Max |
|---|---|---|---|---|---|
| Gender | |||||
| Male | 51 | 68.9 | |||
| Female | 23 | 31.1 | |||
| 67.6 | 9.0 | 44.0–85.0 | |||
| Age | |||||
| ≤ 70 years | 37 | 50.0 | |||
| > 70 years | 37 | 50.0 | |||
| 2.4 | 2.1 | 0.0–11.3 | |||
| Time since diagnosis | |||||
| ≤ 2 years | 37 | 50.0 | |||
| >2 years | 37 | 50.0 | |||
| ECOG-PS | |||||
| 0 | 27 | 36.5 | |||
| ≥ 1 | 47 | 63.5 | |||
| Previous treatments | |||||
| 1 | 30 | 40.5 | |||
| >1 | 44 | 58.1 | |||
| Histotype | |||||
| Squamous cell lung cancer | 15 | 20.3 | |||
| Adenocarcinoma | 59 | 79.7 | |||
| Smoking habit | |||||
| Non smoker | 9 | 12.2 | |||
| Ex-smoker | 27 | 36.5 | |||
| Current smoker | 38 | 51.4 | |||
| PD-L1 | |||||
| 0% | 40 | 54.1 | |||
| ≥ 1% | 7 | 9.5 | |||
| Missing | 27 | 36.5 | |||
| Whole sample | 74 | 100.0 |
ECOG-PS, Eastern Cooperative Oncology Group Performance Status.