Statistical calculations for TCGA Class A and Class B patient survival
| Survival analysis Class A vs Class B | ||
|---|---|---|
| Test | χ2 | p value |
| Log-rank | 6.85 | 0.008 |
| Wilcoxon | 2.26 | 0.13 |
| Survival time | ||
|---|---|---|
| Classification | Median time (d) | Mean time (d) |
| Class A | 380 | 473 |
| Class B | 459 | 763 |
| Proportional hazards ratio | ||
|---|---|---|
| Variable | χ2 | p value |
| Class A vs B | 4.3 | 0.038 |
| KPS | 2.89 | 0.089 |
| AGE | 0.28 | 0.59 |
| CIMP status | 0.07 | 0.79 |
MiR-21-Sox2 status is a strong and independently significant prognostic factor among Karnofsky performance status, age, and CIMP status.