Table 1. Patient demographics at five-year follow-up (n = 140).
| Event (n = 69) | Censored (n = 71) | Total (n = 140) | |||||
| Count | Column N % | Count | Column N % | Count | Column N % | ||
| Gender | Male | 40 | 58.0% | 42 | 59.2% | 82 | 58.6% |
| Female | 29 | 42.0% | 29 | 40.8% | 58 | 41.4% | |
| Age group | <40 years | 11 | 15.9% | 17 | 23.9% | 28 | 20.0% |
| >= 40 years | 58 | 84.1% | 54 | 76.1% | 112 | 80.0% | |
| TP53 value | Positive | 49 | 71.0% | 45 | 63.4% | 94 | 67.1% |
| Negative | 20 | 29.0% | 26 | 36.6% | 46 | 32.9% | |
| Positivity | Mild | 8 | 11.6% | 11 | 15.5% | 19 | 13.6% |
| Moderate | 15 | 21.7% | 7 | 9.9% | 22 | 15.7% | |
| Strong | 26 | 37.7% | 27 | 38.0% | 53 | 37.9% | |
| Negative | 20 | 29.0% | 26 | 36.6% | 46 | 32.9% | |
| Histological classification of tumor | W-D-SCC | 26 | 37.7% | 29 | 40.8% | 55 | 39.3% |
| M-D-SCC | 41 | 59.4% | 38 | 53.5% | 79 | 56.4% | |
| P-D-SCC | 2 | 2.9% | 4 | 4.1% | 6 | 4.3% | |
| AJCC_STAGE | I | 9 | 13.0% | 18 | 25.4% | 27 | 19.3% |
| II | 18 | 26.1% | 26 | 36.6% | 44 | 31.4% | |
| III | 22 | 31.9% | 16 | 22.5% | 38 | 27.1% | |
| IV | 20 | 29.0% | 11 | 15.5% | 31 | 22.1% | |
| Smoking | Yes | 26 | 37.7% | 25 | 41.7% | 51 | 36.4% |
| No | 43 | 62.3% | 35 | 58.3% | 89 | 63.6% | |
| Betel quid chewer | Yes | 43 | 62.3% | 39 | 54.9% | 82 | 58.6% |
| No | 26 | 37.7% | 32 | 45.1% | 48 | 34.4% | |
| Tobacco | Yes | 20 | 29.0% | 23 | 32.4% | 43 | 30.7% |
| No | 49 | 71.0% | 48 | 67.6% | 97 | 69.3% | |
| Cheek/tongue | Cheek | 48 | 69.6% | 38 | 53.5% | 86 | 61.4% |
| Tongue | 21 | 30.4% | 33 | 46.5% | 54 | 38.6% | |
| Palate | Yes | 6 | 8.7% | 8 | 11.3% | 14 | 10.0% |
| No | 63 | 91.3% | 63 | 88.7% | 126 | 90.0% | |
| Mandible | Yes | 18 | 26.1% | 18 | 25.4% | 36 | 25.7% |
| No | 51 | 73.9% | 53 | 74.6% | 104 | 74.3% | |
| Retromandibular | Yes | 11 | 15.9% | 6 | 8.5% | 17 | 12.1% |
| No | 48 | 69.6% | 51 | 71.8% | 99 | 70.7% | |
| NA | 10 | 14.5% | 14 | 19.7% | 24 | 17.1% | |
| Floor of mouth | Yes | 4 | 5.8% | 10 | 14.1% | 14 | 10.0% |
| No | 65 | 94.2% | 61 | 85.9% | 126 | 90.0% | |
| Tonsil | Yes | 1 | 1.4% | 2 | 2.8% | 3 | 2.1% |
| No | 68 | 98.6% | 69 | 97.2% | 137 | 97.9% | |
| Nodal status physical | Palpable node | 31 | 44.9% | 26 | 36.6% | 57 | 40.7% |
| No palpable node | 38 | 55.1% | 45 | 63.4% | 83 | 59.3% | |
| Single/multiple nodes | Single | 20 | 29.0% | 19 | 26.8% | 39 | 27.9% |
| Multiple | 11 | 15.9% | 7 | 9.9% | 18 | 12.9% | |
| NA | 38 | 55.1% | 45 | 63.3% | 83 | 59.3% | |
| Final T stage | T1 | 12 | 17.4% | 21 | 29.6% | 33 | 23.6% |
| T2 | 31 | 44.9% | 33 | 46.5% | 64 | 45.7% | |
| T3 | 12 | 17.4% | 10 | 14.1% | 22 | 15.7% | |
| T4 | 14 | 20.3% | 7 | 9.8% | 21 | 15.0% | |
| Final N stage | N0 | 43 | 62.3% | 59 | 83.1% | 102 | 72.9% |
| N1 | 18 | 26.1% | 8 | 11.3% | 26 | 18.6% | |
| N2a | 2 | 2.9% | 1 | 1.4% | 3 | 2.1% | |
| N2b | 6 | 8.7% | 3 | 4.2% | 9 | 6.4% | |
| Final M stage | M0 | 69 | 100.0% | 71 | 100.0% | 140 | 100.0% |
| Neck pathology | Negative | 27 | 39.1% | 44 | 62.0% | 71 | 50.7% |
| Positive | 25 | 36.2% | 13 | 18.3% | 38 | 27.1% | |
| ND | 17 | 24.6% | 14 | 19.7% | 31 | 22.1% | |