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Clinical characteristics of this cohort.
| Characteristics | N (%) |
|---|---|
| Age at diagnosis (years) | |
| Mean ± SD | 62.7±11.3 |
| Gender | |
| Male | 44 (41.5) |
| Female | 62 (58.5) |
| Smoking status | |
| Yes | 50 (47.2) |
| No | 56 (52.8) |
| TNM stage | |
| I | 27 (25.5) |
| II | 41 (38.7) |
| III | 38 (35.8) |
| Pathology grading | |
| Well-differentiated | 33 (31.1) |
| Poor-differentiated | 73 (68.9) |
| Receive chemotherapy | |
| Yes | 92 (86.8) |
| No | 14 (13.2) |
| Receive radiotherapy | |
| Yes | 55 (51.9) |
| No | 51 (48.1) |
