Table 1 Baseline characteristics of the 470 patients with nasopharyngeal carcinoma
Characteristic | Number of patients | Percentage (%) |
|---|---|---|
Gender | ||
 Male | 358 | 76.2 |
 Female | 112 | 23.8 |
Smoking | ||
 Yes | 170 | 36.2 |
 No | 300 | 63.8 |
Alcohol consumption | ||
 Yes | 60 | 12.8 |
 No | 410 | 87.2 |
Family history of cancer | ||
 Yes | 152 | 32.3 |
 No | 318 | 67.7 |
MRI-based stage | ||
 T categorya | ||
  T1 | 77 | 16.4 |
  T2 | 81 | 17.2 |
  T3 | 239 | 50.9 |
  T4 | 73 | 15.5 |
 N categorya | ||
  N0 | 81 | 17.2 |
  N1 | 279 | 59.4 |
  N2 | 71 | 15.1 |
  N3 | 39 | 8.3 |
 Overall stagea | ||
  I | 28 | 6.0 |
  II | 98 | 20.9 |
  III | 239 | 50.9 |
  IVa–b | 105 | 22.2 |
Chemotherapy | ||
 No | 68 | 14.5 |
 Neoadjuvant alone | 50 | 10.6 |
 Concurrent alone | 146 | 31.1 |
 Induction plus concurrent | 206 | 43.8 |
Treatment failure | ||
 Death | 70 | 14.9 |
 Distant metastasis | 59 | 12.6 |
 Locoregional recurrence | 42 | 8.9 |