Table 3.
Maximum acute and late toxicities for the enrolled NPC patients
| Toxicity Type | Grade | ||||
|---|---|---|---|---|---|
| Acute toxicities, No. (%) (N = 176) | Grade 0 | Grade 1 | Grade 2 | Grade 3 | Grade 4 |
| Mucositis (radiation related) | 42 (23.9) | 82 (46.6) | 46 (26.1) | 6 (3.4) | - |
| Skin reaction (radiation related) | 85 (48.3) | 60 (34.1) | 30 (17.0) | 1 (0.6) | - |
| Xerostomia | 17 (9.7) | 36 (20.4) | 80 (45.5) | 40 (22.7) | 3 (1.7) |
| Hearing loss | 154 (87.5) | 20 (11.4) | 2 (1.1) | - | - |
| Late toxicities (6 months), No. (%) (N = 176) | |||||
| Xerostomia | 28 (15.9) | 78 (44.3) | 64 (36.4) | 5 (2.8) | 1 (0.6) |
| Ear (deafness/otitis) | 139 (78.9) | 33 (18.8) | 3 (1.7) | 1 (0.6) | - |
| Skin and tissue fibrosis | 168 (95.5) | 6 (3.4) | 2 (1.1) | - | - |
| Neuritis | 173 (98.3) | 3 (1.7) | - | - | - |
| Dysphagia | 131 (74.4) | 40 (22.7) | 4 (2.3) | 1 (0.6) | - |
| Late toxicities (2 years), No. (%) (N = 170) | |||||
| Xerostomia | 41 (24.1) | 80 (47.1) | 43 (25.3) | 6 (3.5) | - |
| Ear (deafness/otitis) | 128 (75.3) | 36 (21.2) | 5 (2.9) | 1 (0.6) | - |
| Skin and tissue fibrosis | 165 (97.0) | 3 (1.8) | 2 (1.2) | - | - |
| Neuritis | 167 (98.2) | 2 (1.2) | 1 (0.6) | - | - |
| Dysphagia | 136 (80.0) | 28 (16.5) | 5 (2.9) | 1 (0.6) | - |
| Late toxicities (5 years), No. (%) (N = 120) | |||||
| Xerostomia | 49 (40.8) | 67 (55.8) | 4 (3.4) | - | - |
| Ear (deafness/otitis) | 102 (85.0) | 16 (13.3) | 2 (1.7) | - | - |
| Skin and tissue fibrosis | 114 (95.0) | 6 (5.0) | - | - | - |
| Neuritis | 116 (96.7) | 3 (2.5) | 1 (0.8) | - | - |
| Dysphagia | 98 (81.7) | 15 (12.5) | 7 (5.8) | - | - |