Table 1.
Clinicopathological features
| Parameters | Category | No n = 95 | Percentage | p value |
|---|---|---|---|---|
| Tumour stage (AJCC 7) | T1N0 | 40 | 42 | |
| T2N0 | 55 | 57.9 | 0.822 | |
| Tumour site | Buccal mucosa | 20 | 21 | |
| Tongue | 65 | 68.4 | ||
| Lip | 3 | 3.15 | ||
| Alveolus | 5 | 5.2 | ||
| Retromolar trigone | 2 | 2.1 | ||
| Laterality | Right | 47 | 49.47 | |
| Left | 48 | 50.5 | ||
| Focality | Unifocal | 94 | 98.9 | |
| Multifocal | 1 | 1.1 | ||
| Margin status | Free (> 5 mm away) | 91 | 95.8 | |
| Close | 4 | 4.2 | ||
| Involved | 0 | 0 | ||
| Tumour type | Verrucous | 7 | 7.9 | |
| Hybrid | 3 | 3.4 | ||
| Early invasive | 2 | 2.2 | ||
| Not otherwise specified | 70 | 73.6 | ||
| Polypoidal | 13 | 14.6 | ||
| Grade | Well | 15 | 15.8 | |
| Moderate | 69 | 72.6 | ||
| Poor | 11 | 11.6 | 0.110 | |
| Lymphovascular emboli | Absent | 93 | 97.9 | |
| Present | 2 | 2.1 | 0.704 | |
| Perineural invasion | Absent | 63 | 66.3 | |
| Present | 32 | 33.7 | 0.124 | |
| Depth of invasion | ≤ 5 mm | 56 | 58.9 | |
| 6–10 mm | 25 | 26.3 | 0.019 | |
| > 10 mm | 14 | 14.7 | ||
| Tumour thickness | ≤ 5 mm | 41 | 43.15 | |
| 6–10 mm | 34 | 35.7 | 0.157 | |
| > 10 mm | 20 | 21.05 | ||
| Lymphocytic host response (LHR) | Type 1 and 2 (dense and moderate response) | 62 | 65.3 | |
| Type 3 (little or no response) | 33 | 34.7 | 0.019 | |
| Worst pattern of invasion (WPOI) | WPOI 1–3 (non-aggressive) | 47 | 49.5 | |
| WPOI 4–5 (aggressive) | 48 | 50.5 | 0.035 |