Table 1. Characteristic of patients.
| Characteristics | NSCLC | Control | Pa | ||
|---|---|---|---|---|---|
| Age (years) | 67.2±5.3 | 67.4±5.7 | NSb | ||
| Gender | |||||
| Male | 378 | 60.10% | 437 | 59.95% | NSb |
| Female | 251 | 39.90% | 292 | 40.05% | |
| Smoke status | |||||
| Non-smokers | 311 | 49.44% | 276 | 37.86% | <0.001 |
| Smoker | 318 | 50.56% | 453 | 62.14% | |
| Histology | |||||
| Squamous cell carcinoma | 318 | 46.73% | |||
| Adenocarcinoma | 311 | 53.27% | |||
| Stage | |||||
| III | 331 | 52.62% | |||
| IV | 298 | 47.38% | |||
| Differentiation | |||||
| Well | 219 | 46.73% | |||
| Moderate | 360 | 37.38% | |||
| Poor | 269 | 15.89% | |||
| Chemotherapy regimens | |||||
| DDP/CBP+TAX/TXT/DOC | 268 | 46.73% | |||
| DDP/CBP+GEM | 253 | 37.38% | |||
| DDP/CBP+NVB | 108 | 15.89% | |||
aBy fisher exact T test.
bNS: not significant.