Table 1 Baseline characteristics of patients
Characteristics | Values |
|---|---|
Number of patients | 72 |
Gender | M:F = 45: 27 |
Age (year) | 55.9 ± 14.6 (range = 20–86) |
Tumor site | R:L = 32: 40 |
Tumor location | |
 Oral cavity and tongue | 37 (51.4%) |
 Pharynx | 12 (16.7%) |
 Larynx | 6 (8.3%) |
 Nasal cavity and paranasal sinuses | 8 (11.1%) |
 Salivary glands | 9 (12.5%) |
HPV status | |
 Positive | 10 (13.9%) |
 Negative | 21 (29.2%) |
 N/A | 41 (57.7%) |
Follow-up after surgery (months) | 32.8 ± 10.8 (range = 12–55) |
Recurrence | 22 (30.6%) |
Recurrence after surgery (months) | 13.0 ± 7.0 (range = 5–33) |
Type of treatment failure | |
 Loco-regional recurrence | 10 (13.9%) |
 Distant metastasis | 12 (16.7%) |
T stage | |
 T1/T2 | 24 (33.3%)/23 (31.9%) |
 T3/T4a | 20 (27.8%)/5 (7.0%) |
N stage | |
 N0 | 42 (58.3%) |
 N1/N2 | 12 (16.7%)/18 (25.0%) |
TNM stage | |
 I/II | 17 (23.6%)/14 (19.4%) |
 III/IVA | 19 (26.4%)/22 (30.6%) |
Adjuvant therapy | |
 No | 33 (45.8%) |
 RT/CCRT | 24 (33.3%)/15 (20.9%) |