Table 2.
Clinicopathological characteristics.
| Characteristics | n |
|---|---|
| Gender | |
| Male | 33 (45.2) |
| Female | 40 (54.8) |
| Age groups | |
| ≤50y | 37 (50.7) |
| >50y | 36 (49.3) |
| Primary sites | |
| Major salivary | 17 (23.3) |
| Nasal cavity and paranasal sinuses | 15 (20.5) |
| lip and oral cavity | 15 (20.5) |
| Trachea | 9 (12.3) |
| Pharynx | 7 (9.6) |
| External auditory canal | 5 (6.8) |
| Larynx | 3 (4.1) |
| Lacrimal gland | 2 (2.7) |
| Tumor grading | |
| Grade I–II | 47 (64.4) |
| Grade III | 26 (35.6) |
| PNI | |
| Negative | 12 (16.4) |
| Positive | 61 (83.6) |
| Margin status | |
| ≥1 mm | 11 (15.1) |
| <1 mm | 62 (84.9) |
| T stage | |
| 1–2 | 20 (27.4) |
| 3 | 34 (46.6) |
| 4 | 19 (26) |
| LNM (n = 34) | |
| Negative | 25 (73.5) |
| Positive | 9 (26.5) |
| Stage groups | |
| I–II | 19 (26) |
| III | 31 (42.5) |
| IV | 23 (31.5) |
| PORT (n = 68) | |
| Yes | 39 (57.4) |
| No | 29 (42.6) |
PNI, perineural invasion; LNM, lymph node metastases; PORT, postoperative radiotherapy.