Table 1. Patient and tumour pre-treatment characteristics.
| Characteristic | |
| Age (years) | 52 (11–83) |
| Sex | |
| Male | 125 (75%) |
| Female | 42 (25%) |
| T stage | |
| 1 | 61 (36%) |
| 2 | 50 (30%) |
| 3 | 20 (12%) |
| 4 | 36 (22%) |
| N stage | |
| 0 | 18 (11%) |
| 1 | 60 (36%) |
| 2 | 64 (38%) |
| 3 | 25 (15%) |
| Stage | |
| 1 | 7 (4%) |
| 2 | 43 (26%) |
| 3 | 60 (36%) |
| 4 A/B | 49 (29%) |
| 4 C | 8 (5%) |
| Pathological type | |
| WHO Type I | 34 (20%) |
| WHO Type II/III | 133 (80%) |
| Lateral invasion | |
| None | 64 (38%) |
| Unilateral | 71 (43%) |
| Bilateral | 32 (19%) |
| Beyond the midline of the nasopharynx | |
| Yes | 111 (66%) |
| No | 56 (34%) |
| Tumour size | |
| Small (≤20 mm) | 43 (26%) |
| Medium (>20 mm, ≤40 mm) | 78 (47%) |
| Large (>40 mm) | 46 (27%) |
The age is presented as the median value (range).
WHO, World Health Organization.