Table 1 Descriptive characteristics of study cohorts for modeling.
 | TCGA-train (N = 238) | TCGA-test (N = 99) | GSE14520 (N = 241) |
---|---|---|---|
Age | |||
 ≥ 65 | 91 | 38 | 29 |
 < 65 | 147 | 61 | 212 |
Sex | |||
 Female | 75 | 32 | 30 |
 Male | 163 | 67 | 211 |
Survival state | |||
 Survival | 158 | 65 | 145 |
 Dead | 80 | 34 | 96 |
pTNM stage | |||
 Stage I | 118 | 51 | 96 |
 Stage II | 57 | 26 | 78 |
 Stage III | 61 | 20 | 50 |
 Stage IV | 2 | 2 | 0 |
 Unknow | 0 | 0 | 17 |
Grade | Â | Â | NA |
 G1 | 31 | 15 |  |
 G2 | 112 | 54 |  |
 G3 | 86 | 27 |  |
 G4 | 9 | 3 |  |