Table 1 Clinical characteristics of TCGA SCCHNs patients
Parameters | No. of patients | Percentage |
|---|---|---|
Age | ||
 < 59 | 234 | 44.8 |
 ≥ 59 | 287 | 55.0 |
 NA | 1 | 0.2 |
Gender | ||
 Female | 137 | 26.2 |
 Male | 385 | 738 |
Alcohol | ||
 Yes | 348 | 66.7 |
 No | 163 | 31.2 |
 NA | 11 | 2.1 |
Smoking | ||
 Yes | 297 | 56.9 |
 No | 213 | 40.8 |
 NA | 12 | 2.3 |
Histological grade | ||
 G1 + G2 | 367 | 70.3 |
 G3 + G4 | 132 | 25.3 |
 Gx | 18 | 3.4 |
 NA | 5 | 1.0 |
Stage | ||
 I + II | 118 | 22.6 |
 III + IV | 390 | 74.7 |
 NA | 14 | 2.7 |
T classification | ||
 T1 + T2 | 186 | 35.6 |
 T3 + T4 | 274 | 52.5 |
 Tx | 39 | 7.5 |
 NA | 23 | 4.4 |
Lymph node metastasis | ||
 N0 | 176 | 33.7 |
 N+ | 246 | 47.1 |
 NX | 75 | 14.4 |
 NA | 25 | 4.8 |
M classification | ||
 M0 | 188 | 36.0 |
 M1 | 1 | 0.2 |
 MX | 62 | 11.9 |
 NA | 271 | 51.9 |