Table 2.
Multivariate analysis of risk score and clinical features in TCGA and CGGA datasets
| Variables | TCGA (n = 522) |
CGGA (n = 623) |
||||
|---|---|---|---|---|---|---|
| Coefficient | HR (95% CI) | p value | Coefficient | HR (95% CI) | p value | |
| Risk score | 0.880 | 2.411 (1.953−2.975) | <0.001 | 0.590 | 1.804 (1.597−2.038) | <0.001 |
| Age | 0.052 | 1.053 (1.037−1.069) | <0.001 | 0.010 | 1.010 (0.999−1.021) | 0.081 |
| Gender | 0.085 | 1.089 (0.759−1.563) | 0.643 | −0.103 | 0.902 (0.709−1.148) | 0.403 |
| Grade | 0.522 | 1.686 (1.103−2.575) | 0.016 | 0.954 | 2.597 (1.978−3.411) | <0.001 |
| IDH | 0.927 | 2.528 (1.597−4.000) | <0.001 | 0.339 | 1.403 (1.067−1.844) | 0.015 |
HR, hazard ratio; CI, confidence interval.