Table 2. Correlation of P53 overexpression and clinicopathologic parameters.
| Characteristic | P53 overexpression positive | P53 overexpression negative | Pearson Chi-Square value | p-value | |
| AJCC staging | Stage I | 21 | 6 | 5.247 | 0.155 |
| Stage II | 33 | 11 | |||
| Stage III | 22 | 16 | |||
| Stage IV | 18 | 13 | |||
| Habits | Smoking/tobacco | 35 | 16 | 0.090 | 0.956 |
| Pan/supari | 57 | 25 | 0.612 | 0.736 | |
| Naswar/chalia/gutka | 28 | 15 | 0.242 | 0.886 | |
| Final T stage | Stage I | 23 | 10 | 4.439 | 0.218 |
| Stage II | 47 | 17 | |||
| Stage III | 11 | 11 | |||
| Stage IV | 13 | 8 | |||
| Final N stage | N0 | 70 | 32 | 0.560 | 0.756 |
| N1 | 17 | 9 | |||
| N2 | 7 | 5 | |||
| Histology | W-D-SCC | 38 | 17 | 0.894 | 0.640 |
| M-D-SCC | 53 | 26 | |||
| P-D-SCC | 3 | 3 | |||
| Site of tumor | Anterior tongue | 30 | 23 | 4.294 | 0.038 |
| Posterior tongue | 4 | 1 | 0.389 | 0.533 | |
| Palate | 10 | 4 | 0.130 | 0.719 | |
| Mandible | 23 | 13 | 0.233 | 0.630 | |
| Retromandibular | 11 | 6 | 0.387 | 0.824 | |
| Floor of mouth | 9 | 5 | 0.058 | 0.810 | |
| Tonsil | 3 | 0 | 1.500 | 0.221 |