Table 1.
Clinicopathological variables of GBM patients in TCGA dataset.
| Train | Test | All | χ2 | P | |
|---|---|---|---|---|---|
| Age | 0.737 | 0.692 | |||
| < 65y | 69.2% | 65.6% | 67.4% | ||
| ≥ 65y | 30.8% | 34.4% | 32.6% | ||
| Gender | 0.134 | 0.935 | |||
| Female | 38.4% | 40.0% | 39.2% | ||
| Male | 61.6% | 60.0% | 60.8% | ||
| Subtype | 8.535 | 0.201 | |||
| Classical | 22.0% | 33.2% | 27.6% | ||
| Proneural | 28.0% | 24.8% | 26.4% | ||
| Mesenchymal | 30.8% | 28.0% | 29.4% | ||
| Neural | 19.2% | 14.0% | 16.6% | ||
| OS | 0.361 | 0.835 | |||
| Alive | 15.6% | 17.6% | 16.6% | ||
| Death | 84.4% | 82.4% | 83.4% | ||
| Chemo | 0.189 | 0.996 | |||
| No | 14.0% | 15.2% | 14.6% | ||
| Yes | 72.8% | 72.4% | 72.6% | ||
| Radio | 2.329 | 0.675 | |||
| No | 9.2% | 10.8% | 10.0% | ||
| Yes | 86.0% | 86.8% | 86.4% | ||
| IDH | 13.332 | 0.010 | |||
| Wt | 64.4% | 77.2% | 70.8% | ||
| Mutant | 6.4% | 7.2% | 6.8% |