Table 1.
Characteristics of patients, tumors and treatment
| Characteristic | No. of patients |
|---|---|
| Age | 62.5 (7.61)a |
| Smoking status | |
| Active smokersb | 22 (55%) |
| Former smokersc | 13 (32.5%) |
| Non-smokers | 5 (12.5%) |
| Primary tumor site | |
| Oral cavity | 7 (17.5%) |
| Oropharynx | 21 (52.5%) |
| Hypopharynx | 7 (17.5%) |
| Larynx | 5 (12.5%) |
| TNM stage | |
| III | 7 (17.5%) |
| IVA | 27 (67.5%) |
| IVB | 6 (15%) |
| HPV related primary tumorsd | 7 (33.3%) |
| Tracheostomy before RT | 6 (15%) |
| Surgery before RT | 17 (42.5%) |
| RT dose | 66.6 Gy (60–70)e |
| Duration of RT | 46.9 days (40–55)e |
| Concurrent chemotherapy | |
| Yes | 21 (52.5%) |
| No. of cycles | 6 (3–7)d |
aIn years, mean (standard deviation)
b20 cigarettes/day for ≥ 10 years
cQuite smoking ≥ 12 months ago
dOropharyngeal primary tumors
eMedian (range)