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Clinicopathological characteristics of patients with HNSCC included in the study (n=21)
| n | % | |
| Sex | ||
| Men | 14 | 67 |
| Women | 7 | 33 |
| Smoking status | ||
| No | 4 | 19 |
| Yes | 17 | 81 |
| Alcohol | ||
| No | 12 | 57 |
| Yes | 9 | 43 |
| Age (years) (median) | 54 | (37–84) |
| ECOG performance status | ||
| 0 | 8 | 38 |
| 1 | 12 | 57 |
| 2 | 1 | 5 |
| Tumour site | ||
| Oral cavity | 13 | 62 |
| Larynx | 8 | 38 |
| Tumour size | ||
| T1 | 1 | 5 |
| T2 | 2 | 10 |
| T3 | 7 | 33 |
| T4 | 11 | 52 |
| Node involvement | ||
| N0 | 7 | 33 |
| N1 | 1 | 5 |
| N2 | 12 | 57 |
| N3 | 1 | 5 |
ECOG, Eastern Cooperative Oncology Group.
