1.
纳入本研究患者的一般特征
General characteristics of patients included in this study
| Characteristic | n |
| Sex | |
| Male | 44 |
| Female | 52 |
| Pathological type | |
| Squamous cell carcinoma | 37 |
| Non-squamous cell carcinoma | 59 |
| Smoking | |
| Non-smoker | 55 |
| Smoker | 41 |
| Level of C-reactive protein (CRP) | |
| CRP ≤ 5 mg/L | 66 |
| CRP > 5 mg/L | 30 |