Table 1 Clinical and biological characteristics of the NPC patients
Number of patients | 88 |
Gender (Male/Female) | 51/37 |
| Â | Median (range) |
Age (years) | 46.5 (10.0 – 80.0) |
Disease-free survival (months) | 30 (2 – 90) |
Overall survival (months) | 36 (2 – 90) |
| Â | Number of patients (%) |
T – primary tumor extent |  |
T0 | 0 (0%) |
T1 | 8 (9.1%) |
T2 | 25 (28.4%) |
T3 | 19 (21.6%) |
T4 | 36 (40.9%) |
N – regional lymph nodes |  |
N0 | 14 (15.9%) |
N1 | 14 (15.9%) |
N2 | 28 (31.8%) |
N3 | 32 (36.4%) |
M – distant metastasis |  |
M0 | 61 (69.3%) |
M1 | 27 (30.7%) |
TNM stage | Â |
I | 2 (2.3%) |
II | 12 (13.6%) |
III | 22 (25.0%) |
IV A | 12 (13.6%) |
IV B | 13 (14.8%) |
IV C | 27 (30.7%) |