Table 1. Clinical features of the 205 NPC patients in this study.
| Patient | characteristics | No. (%) |
|---|---|---|
| Age | ||
| Median | 45 years | |
| Range | 21–75 years | |
| Gender | ||
| Male | 157 (76.6) | |
| Female | 48 (23.4) | |
| Histology | ||
| WHO type II | 1 (0.5) | |
| WHO type III | 204 (99.5) | |
| T classification * | ||
| T1 | 31 (15.1) | |
| T2 | 32(15.6) | |
| T3 | 91 (44.4) | |
| T4 | 51 (24.9) | |
| N classification * | ||
| N0 | 44 (21.5) | |
| N1 | 105 (51.2) | |
| N2 | 40 (19.5) | |
| N3 | 16(7.8) | |
| Clinical Stages * | ||
| I | 13 (6.3) | |
| II | 35 (17.1) | |
| III | 94 (45.9) | |
| IV | 63 (30.7) | |
| Therapy | ||
| Chemotherapy in stage III- IV | 141 (89.8) | |
| Boost in stage T3–T4 patients | 2 (1.4) |
Abbreviations: NPC = nasopharyngeal carcinoma;VMAT = volume-modulated arc therapy; c-IMRT = conventional intensity modulated radiation therapy
* According to the 7th AJCC/UICC staging system