Table 3.
Summary of Kaplan-Meier modeling across all 5 cohorts of investigation by site of malignant involvement: 1. Bone only, 2. Brain only, 3. Liver only, 4. Lung only, and 5. Metastasis involving >1 site.
| KM Median OS (Months) |
ΔmOS (months) | Log-rank p-value | |||
|---|---|---|---|---|---|
| Radiation | Metastasectomy | ||||
| 1 site of metastasis | Bone Only ∗ | 42.4 | 50.3 | 8.9 | <0.001 |
| Brain Only | 11.9 | 21.0 | 9.1 | <0.001 | |
| Liver Only | 39.2 | 80.8 | 41.6 | <0.001 | |
| Lung Only | 17.7 | 74.6 | 56.9 | <0.001 | |
| > 1 site of metastasis ∗∗ | 20.1 | 40.1 | 20.0 | <0.001 | |
∗ KM adjusted for age > 70.
∗∗ KM adjusted for age < 50, Receptor status HR+/HER2-, and CDS (0–1, 3).