Table 1.
Clinical characteristics of patients in the training cohort and validation cohort.
| Variables | Training cohort | Validation cohorts | ||||
|---|---|---|---|---|---|---|
| TCGA(n = 447) | GSE72094(n = 328) | GSE42127(n = 132) | ||||
| No. | % | No. | % | No. | % | |
| Age | — | — | — | — | — | — |
| Median (years) | 70.0 | — | 69.7 | — | 65.8 | — |
| < 60 | 128 | 28.6 | 46 | 14.0 | 35 | 26.5 |
| ≥ 60 | 319 | 71.4 | 282 | 86.0 | 97 | 73.5 |
| Gender | — | — | — | — | — | — |
| Male | 207 | 46.3 | 156 | 47.6 | 67 | 50.8 |
| Female | 240 | 53.7 | 172 | 52.4 | 65 | 49.2 |
| Stage | — | — | — | — | — | — |
| WHO I | 259 | 57.9 | 218 | 66.5 | 89 | 67.4 |
| WHO II | 103 | 23.1 | 53 | 16.2 | 22 | 16.7 |
| WHO III | 64 | 14.3 | 46 | 14.0 | 20 | 15.1 |
| WHO IV | 21 | 4.7 | 11 | 3.3 | 1 | 0.8 |