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Frequency and distribution of clinical characteristics
| Variable | Tumor (N = 24) | Normal (N = 14) | ||
|---|---|---|---|---|
| No. | (%) | No. | (%) | |
| Gender | ||||
| Male | 5 | 20.83 | 3 | 21.43 |
| Female | 19 | 79.17 | 11 | 84.62 |
| Age (years) | ||||
| < 18 | 10 | 41.67 | 3 | 23.08 |
| ≥ 18 | 14 | 58.33 | 11 | 76.92 |
| Tumor stagea | ||||
| I | 15 | 62.50 | ||
| II | 9 | 37.50 | ||
| Regional lymph nodea | ||||
| N0 | 4 | 16.67 | ||
| N1 | 19 | 79.17 | ||
| N2 | 1 | 4.16 | ||
| Metastasisa | ||||
| M0 | 23 | 95.83 | ||
| M1 | 1 | 4.17 | ||
aAccording to Union for International Cancer Control (UICC) Staging System
