Table 4 Frequency of late toxicity
| Â | Grade 0 | Grade 1 | Grade 2 | Grade 3 | Grade 4 |
|---|---|---|---|---|---|
N (%) | N (%) | N (%) | N (%) | N (%) | |
Xerostomia | 48 (21.9) | 107 (48.9) | 64 (29.2) | 0 (0) | 0 (0) |
Hearing impairment | 75 (34.2) | 82 (37.5) | 51 (23.3) | 4 (1.8) | 7 (3.2) |
Chronic otitis media | 74 (33.8) | 72 (32.9) | 73 (33.3) | 0 (0) | 0 (0) |
Dysphagia | 94 (42.9) | 74 (33.8) | 50 (22.8) | 1 (0.5) | 0 (0) |
Neck fibrosis | 140 (63.9) | 71 (32.4) | 6 (2.7) | 2 (1.0) | 0 (0) |
Radiation neuropathy | 205 (93.6) | 14 (6.4) | 0 (0) | 0 (0) | 0 (0) |
 Temporal lobe necrosis | 209 (95.4) | 10 (4.6) | 0 (0) | 0 (0) | 0 (0) |
 Cranial nerve palsy | 215 (98.2) | 4 (1.8) | 0 (0) | 0 (0) | 0 (0) |