Table 3.
Survival rates according to clinical and pathological data
| Variable | Progression-free survival | Specific survival | ||||
|---|---|---|---|---|---|---|
| Total events | One-year | p-value | Total events | One-year | p-value | |
| Sex | ||||||
| Female | 4 | 86.7 | 0.050 | 14 | 72.3 | 0.025 |
| Male | 35 | 63.3 | 79 | 49.8 | ||
| Age at diagnosis | ||||||
| ≤ 60 years old | 18 | 73.3 | 0.553 | 45 | 54.9 | 0.266 |
| > 60 years old | 21 | 63.0 | 48 | 53.2 | ||
| Alcohol consumption | ||||||
| ≤ 20 years | 5 | 74.6 | 0.218 | 16 | 62.0 | 0.301 |
| > 20 years | 34 | 66.9 | 77 | 52.0 | ||
| Tobacco consumption | ||||||
| ≤ 20 years | 11 | 51.3 | 0.158 | 19 | 49.0 | 0.796 |
| > 20 years | 28 | 73.1 | 74 | 55.3 | ||
| Clinical stagea | ||||||
| I or II | 6 | 91.2 | 0.019 | 13 | 78.6 | <0.001 |
| III or IV | 32 | 57.9 | 73 | 44.2 | ||
| Histological gradea | ||||||
| Well differentiated | 4 | 76.2 | 0.170 | 10 | 63.5 | 0.426 |
| Moderately differentiated | 18 | 72.4 | 55 | 48.8 | ||
| Poorly differentiated | 15 | 57.4 | 26 | 61.4 | ||
| Surgery | ||||||
| No | 32 | 65.8 | 0.486 | 84 | 47.5 | <0.001 |
| Yes | 7 | 80.0 | 9 | 85.4 | ||
| Chemoradiotherapy | ||||||
| No | 8 | 72.4 | 0.731 | 24 | 34.6 | 0.039 |
| Chemo or Radio | 15 | 62.3 | 36 | 47.7 | ||
| Chemo and Radio | 16 | 72.9 | 33 | 69.1 | ||
| HPVa | ||||||
| Negative | 23 | 69.3 | 0.885 | 56 | 52.6 | 0.093 |
| Positive | 3 | 71.4 | 11 | 31.3 | ||
| p16a | ||||||
| Negative | 35 | 66.9 | 0.956 | 84 | 52.4 | 0.739 |
| Positive | 4 | 75.2 | 9 | 60.6 | ||
| p53a | ||||||
| Negative | 12 | 66.3 | 0.892 | 27 | 51.4 | 0.584 |
| Positive | 26 | 67.0 | 63 | 54.9 | ||
aThere are missing values
Entries in boldface are significantly different