Variable | Â | Â |
---|---|---|
Age (median, range) | 63 (27–96) | |
Sex | n | % |
 female | 9 | 18.8 |
 male | 39 | 81.3 |
ECOG | ||
 0 | 12 | 25.0 |
 1 | 32 | 66.7 |
 2 | 4 | 8.3 |
Smoking | ||
 no | 19 | 39.6 |
 yes | 29 | 60.4 |
Localization recurrence | ||
 nasopharynx | 3 | 6.3 |
oropharynx | 4 | 8.3 |
 hypopharynx | 8 | 16.7 |
 larynx | 10 | 20.8 |
 oral cavity | 2 | 4.2 |
 salivary gland | 5 | 10.4 |
 cervical lymph nodes | 12 | 25.0 |
 multi-level | 3 | 6.3 |
 others | 1 | 2.1 |
rT | ||
 0 | 23 | 47.9 |
 1 | 4 | 8.3 |
 2 | 2 | 4.2 |
 3 | 5 | 10.4 |
 4 | 14 | 29.2 |
rN | ||
 0 | 27 | 56.3 |
 1 | 10 | 20.8 |
 2 | 9 | 18.8 |
 3 | 2 | 4.2 |
cM | ||
 0 | 34 | 70.8 |
 1 | 14 | 29.2 |
Histology | ||
 squamous cell carcinoma | 38 | 79.2 |
 adenocarcinoma | 2 | 4.2 |
 undifferentiated | 2 | 4.2 |
 others | 6 | 12.5 |
Grading | ||
 1 | 3 | 6.3 |
 2 | 27 | 56.3 |
 3 | 16 | 33.3 |
 4 | 1 | 2.1 |
 unknown | 1 | 2.1 |
Postoperative risk factors,n = 17 | ||
 ECS | 1 | 5.9 |
 R+ | 8 | 47.1 |
 R: close margin | 2 | 11.8 |
 Pn1 | 0 | 0.0 |
 none of these above | 6 | 35.3 |
PET-CT | ||
 no | 19 | 39.6 |
 yes | 29 | 60.4 |
MRI | ||
 no | 32 | 66.7 |
 yes | 16 | 33.3 |