Table 1.
The Clinicopathological Features of Patients in This Study
| Variables | Number of Patients (%) |
|---|---|
| Number | 183 |
| Age (years) | |
| <60 | 72(39.34) |
| ≥60 | 111(60.66) |
| Gender | |
| Male | 112(61.20) |
| Female | 71(38.80) |
| Histological type | |
| Squamous cell carcinoma | 66(36.07) |
| Adenocarcinoma | 115(62.84) |
| Large cell carcinoma | 2(1.09) |
| Differentiation | |
| Well | 75(40.98) |
| Moderate & poor | 108(59.02) |
| TNM classification | |
| I | 67(36.61) |
| II | 71(38.80) |
| III | 45(24.59) |
| Lymph node metastasis | |
| Positive | 85(46.45) |
| Negative | 98(53.55) |
| Smoking history | |
| Never | 97(53.01) |
| Ever | 86(46.99) |
| EGFR mutation | |
| Negative | 110(60.11) |
| Positive | 73(39.89) |