TABLE 1.
Demographic and clinicopathological characteristics of patients with HNSCC (n = 501).
| Characteristics | No. | % |
|---|---|---|
| Age (years) | ||
| ≤65 | 326 | 65.07 |
| >65 | 175 | 34.93 |
| Genderact | ||
| Female | 133 | 26.55 |
| Male | 368 | 73.45 |
| Grade | ||
| Grade1 | 61 | 12.18 |
| Grade2 | 299 | 59.68 |
| Grade3 | 119 | 23.75 |
| Grade4 | 2 | 0.40 |
| Unknown | 20 | 3.99 |
| Stage | ||
| Stage I | 25 | 4.99 |
| Stage II | 69 | 13.77 |
| Stage III | 79 | 15.77 |
| Stage IV | 260 | 51.90 |
| Unknown | 68 | 13.57 |
| T stage | ||
| T0 | 1 | 0.20 |
| T1 | 45 | 8.98 |
| T2 | 133 | 26.55 |
| T3 | 96 | 19.16 |
| T4 | 171 | 34.13 |
| Unknown | 55 | 10.98 |
| N stage | ||
| N0 | 170 | 33.93 |
| N1 | 66 | 13.17 |
| N2 | 165 | 32.93 |
| N3 | 7 | 1.40 |
| Unknown | 93 | 18.57 |
| M stage | ||
| M0 | 185 | 36.92 |
| M1 | 1 | 0.20 |
| Unknown | 315 | 62.88 |