Table 1.
Baseline patient characteristics
| Factor | Value |
|---|---|
| Age (years) | |
| Range | 37-90 |
| Mean | 63.84 |
| Gender | |
| Male | 146 (68.5%) |
| Female | 67 (31.5%) |
| Lymph node metastasis | |
| Yes | 115 (54.0%) |
| No | 98 (46.0%) |
| Tumor size (cm) | |
| ≤3 | 99 (46.5%) |
| 3-5 | 63 (29.6%) |
| 5-7 | 34 (16.0%) |
| >7 | 17 (7.9%) |
| Tumor node metastasis staging | |
| I | 71 (33.3%) |
| II-IV | 142 (66.7%) |
| Histology | |
| Squamous carcinoma | 60 (28.2%) |
| Adenocarcinoma | 129 (60.6%) |
| Others | 24 (11.2%) |
| Smoking status | |
| Current | 68 (32.0%) |
| Never | 116 (54.5%) |
| Former | 29 (13.5%) |
| Organ metastases | |
| Yes | 3 (1.4%) |
| No | 210 (98.6%) |
| PD-L1 Median (%) | 40 (10-80) |
| Ki-67 Median (%) | 60 (30-70) |