Table 2.
Uni-variate Cox regression for overall survival.
| Parameter | Hazard ratio for impaired OS | p-value |
|---|---|---|
| Tumour stage* | 1.08 [0.40–2.95] | 0.88 |
| ypT score of the surgical specimen | 1.54 [0.76–3.12] | 0.23 |
| RT fractionation (25 × 2 Gy versus 5 × 5 Gy) | 2.24 [0.50–9.90] | 0.29 |
| Volumepre | 1.01 [0.99–1.04] | 0.43 |
| Volumepost | 1.01 [0.98–1.05] | 0.42 |
| ΔVolume | 1.03 [0.99–1.07] | 0.15 |
| BFpre | 0.96 [0.92–1.00] | 0.05 |
| BFpost | 1.02 [1.00–1.04] | 0.11 |
| ΔBF | 1.02 [1.01–1.04] | 0.01** |
*AJCC.
** Bold values denote statistical significance at the p < 0.05 level.