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315例NSCLC患者基础病理学特征
Demographic and clinicopathological data of 315 NSCLC patients
| Item | n | Percentage (%) |
| NSCLC: non-small cell lung cancer; PD-L1: programmed death ligand 1. *: 4 patients with clinical stage data missing. | ||
| Gender | ||
| Male | 194 | 61.6 |
| Female | 121 | 38.4 |
| Age (yr) | ||
| < 65 | 172 | 45.4 |
| ≥65 | 143 | 54.6 |
| Smoking status | ||
| Former | 173 | 54.9 |
| Never | 142 | 45.1 |
| Family history of cancer | ||
| Yes | 60 | 19.0 |
| No | 255 | 81.0 |
| History of chronic diseases | ||
| Yes | 36 | 11.4 |
| No | 279 | 88.6 |
| Clinical stage* | ||
| Ⅰ | 79 | 25.1 |
| Ⅱ | 21 | 6.7 |
| Ⅲ | 62 | 19.7 |
| Ⅳ | 149 | 47.3 |
| Pathological type | ||
| Adenocarcinoma | 248 | 78.7 |
| Squamous carcinoma | 53 | 16.8 |
| others | 14 | 4.4 |
| PD-L1 expression level | ||
| < 1.0% | 184 | 57.3 |
| 1.0%-49.0% | 95 | 29.6 |
| ≥50.0% | 36 | 11.2 |