Table 3 Patient characteristics.
Characteristics | Number | % | |
|---|---|---|---|
Gender | Male | 423 | 75 |
Female | 139 | 25 | |
Smoking | Smoker | 205 | 36.5 |
Ex-smoker | 176 | 31 | |
Never smoked | 149 | 26.5 | |
Not recorded | 32 | 6 | |
Tumour site | Paranasal sinus | 9 | 2 |
Oral cavity | 7 | 1 | |
Oropharynx | 397 | 71 | |
Hypopharynx | 53 | 9 | |
Larynx | 48 | 8.5 | |
Unknown | 48 | 8.5 | |
Grade | Well differentiated | 7 | 1 |
Moderately differentiated | 118 | 21 | |
Poorly differentiated/ basaloid | 364 | 65 | |
Undifferentiated | 6 | 1 | |
Not recorded | 67 | 12 | |
HPV status | Positive | 228 | 40 |
Negative | 55 | 10 | |
Not recorded | 279 | 50 | |
T stage | TX | 47 | 8 |
T1 | 101 | 18 | |
T2 | 188 | 34 | |
T3 | 120 | 21 | |
T4 | 106 | 19 | |
N stage | N0 | 81 | 14 |
N1 | 61 | 11 | |
N2a | 42 | 8 | |
N2b | 274 | 49 | |
N2c | 99 | 18 | |
N3 | 5 | 1 | |
Stage group (AJCC) | I | 4 | 1 |
II | 24 | 4 | |
III | 80 | 14 | |
IV | 454 | 81 | |
Treatment | CRT | 420 | 75 |
RT only | 142 | 25 |
