Table 3.
Unadjusted and propensity model-adjusted survival outcomes for stereotactic radiosurgery versus whole brain radiation therapy for cohorts with < 4 brain metastases and size of largest brain metastasis < 4 cm.
| Non-small cell lung cancer | Breast cancer | |||||||
|---|---|---|---|---|---|---|---|---|
| N | Hazard Ratio |
95% CI | p- value |
N | Hazard Ratio |
95% CI | p- value |
|
| Unadjusted | 189 | 0.53 | 0.38,0.74 | <0.001 | 117 | 0.70 | 0.47,1.03 | 0.07 |
| Adjusted by propensity score model |
180 | 0.58 | 0.38,0.87 | 0.01 | 112 | 0.54 | 0.33,0.91 | 0.02 |
| Adjusted by standardized mortality ratio propensity weighting |
180 | 0.26 | 0.20,0.34 | <0.001 | 112 | 0.61 | 0.45,0.81 | <0.00 1 |