Table 1 Clinical characteristics of TCGA data and GSE31684
Datasets | TCGA | GSE31684 |
|---|---|---|
Sample number | ||
 Total | 365 | 93 |
Age (years old) | ||
  > 70 | 162 | 41 |
  ≤ 70 | 203 | 52 |
Gender | ||
 Male | 271 | 68 |
 Female | 94 | 25 |
Grade | ||
 High Grade | 345 | 88 |
 Low Grade | 20 | 5 |
Stage | ||
 Stage I | 2 | – |
 Stage II | 101 | – |
 Stage III | 137 | – |
 Stage IV | 125 | – |
T stage | ||
 Ta | 0 | 8 |
 T1 | 3 | 19 |
 T2 | 116 | 55 |
 T3 | 190 | 10 |
 T4 | 56 | 1 |