Treatment-specific univariable combined cancer and treatment-related survival models for performance status and age
| HR (95% CI) | p-value | |
| Surgery | ||
| WHO performance status | ||
| 0–1 | 1.000 | |
| 2 | 1.050 (0.536–2.057) | 0.887 |
| 3 | 2.911 (1.055–8.028) | 0.039 |
| Age group years | ||
| <60 | 1.000 | |
| 60–69 | 1.575 (0.639–3.885) | 0.324 |
| 70–79 | 2.347 (0.987–5.581) | 0.054 |
| ≥80 | 2.353 (0.816–6.785) | 0.113 |
| SABR | ||
| WHO performance status | ||
| 0–1 | 1.000 | |
| 2 | 1.082 (0.425–2.756) | 0.869 |
| 3 | 0.642 (0.201–2.056) | 0.456 |
| Age group years | ||
| <60 | 1.000 | |
| 60–69 | 1.608 (0.193–13.383) | 0.661 |
| 70–79 | 0.868 (0.107–7.037) | 0.895 |
| ≥80 | 0.655 (0.074–5.782) | 0.704 |
| CFRT | ||
| WHO performance status | ||
| 0–1 | 1.000 | |
| 2 | 1.553 (0.575–4.199) | 0.385 |
| 3 | 0.560 (0.144–2.174) | 0.402 |
| Age group years | ||
| <60 | ||
| 60–69 | 1.000 | |
| 70–79 | 1.249 (0.392–3.977) | 0.707 |
| ≥80 | 1.099 (0.357–3.387) | 0.870 |
WHO: World Health Organization; SABR: stereotactic ablative body radiotherapy; CFRT: conventionally fractionated radiotherapy. Univariable outcomes for each treatment and covariable were modelled separately.