Table 1.
Demographical and clinical characteristics of included patients and control subjects
| Variables | Patients N=206 | % | Survival time | P for Log-rank test |
|---|---|---|---|---|
| Age, years | 56.07±8.85 | |||
| Gender | ||||
| Female | 82 | 39.81 | 21.65±1.40 | |
| Male | 124 | 60.19 | 22.15±1.32 | 0.06 |
| Smoking status | ||||
| Never | 71 | 34.47 | 21.84±1.41 | |
| Ever | 135 | 65.53 | 22.32±1.29 | 0.42 |
| Drinking status | ||||
| Never | 129 | 62.62 | 21.16±1.20 | |
| Ever | 77 | 37.38 | 22.48±1.63 | 0.45 |
| TNM stage | ||||
| III | 74 | 35.92 | 21.52±1.53 | |
| IV | 132 | 64.08 | 22.51±1.25 | 0.50 |
| Histology | ||||
| Adenocarcinoma | 94 | 45.63 | 20.60±1.57 | |
| Squamous carcinoma | 112 | 54.37 | 22.27±2.64 | 0.59 |
| Response to chemotherapy | ||||
| CR+PR | 106 | 51.46 | 26.75±1.36 | |
| SD+PD | 100 | 48.54 | 17.29±1.21 | <0.001 |