Table 2 Multivariate Cox regression for PFS and OS
Multivariate Cox regression | Hazard ratio | Std error | 95% CI | P-value |
|---|---|---|---|---|
PFS | ||||
Age | 0.98 | 0.02 | 0.94, 1.02 | 0.281 |
Pre-treatment enhancing volume (cc) | 1.01 | 0.01 | 0.98, 1.03 | 0.665 |
Pre-treatment atlas-defined hypervasc. vol. (cc) | 3.64 | 0.58 | 1.16, 11.41 | 0.027* |
OS | ||||
Age | 1.04 | 0.03 | 0.98,1.10 | 0.195 |
Post-treatment enhancing volume (cc) | 1.05 | 0.03 | 1.0,111 | 0.060 |
Post-treatment atlas-defined hypervasc. vol. (cc) | 6.15 | 0.73 | 1.46,25.87 | 0.013* |