| Treatment related toxicities | Total | Groups | |
| Conventional RT + CT | IMRT + CT | ||
| n (%) | n (%) | n (%) | |
| Acute toxicities (n = 218 cases) |
|
|
|
| Skin |
|
|
|
| ≤Grade 2 | 218 (100) | 137 (62.8) | 81 (37.2) |
| >Grade 2 | 0 | 0 | 0 |
| Mucositis |
|
|
|
| ≤Grade 2 | 157 (72.0) | 115 (83.9) | 62 (76.5) |
| >Grade 2 | 41 (18.0) | 22 (16.1) | 19 (23.5) |
| Xerostomia |
|
|
|
| ≤Grade 2 | 185 (84.8) | 119 (86.8) | 66 (81.5) |
| >Grade 2 | 33 (15.2) | 18 (13.2) | 15 (18.5) |
| Late toxicities (n = 111 cases) |
|
|
|
| Soft tissue fibrosis |
|
|
|
| Yes | 9 (8.1) | 9 (12.7) | 0 (0.0) |
| No | 102 (91.9) | 62 (87.3) | 40 (100) |
| Neck hyper pigmentation |
|
|
|
| Yes | 69 (62.2) | 56 (78.9) | 13 (32.5) |
| No | 42 (37.8) | 15 (21.1) | 27 (67.5) |
| Encephalopathy |
|
|
|
| No | 110 (99.1) | 70 (98.6) | 40 (100) |
| Yes | 1 (0.9) | 1 (1.4) | 0 (0.0) |
| Xerostomia |
|
|
|
| ≤Grade 2 | 89 (80.2) | 49 (69.0) | 40 (100) |
| >Grade 2 | 22 (19.8) | 22 (31.0) | 0 (0.0) |