From: Stereotactic radiosurgery for brain metastases: analysis of outcome and risk of brain radionecrosis
Variables | Univariate analysis | Multivariate analysis |
---|---|---|
Age | 0.2 | Â |
Gender | 0.3 | Â |
KPS | 0.04 | 0.1 |
Tumor volume | <0.0001 | 0.02 |
Dose | 0.09 | Â |
Conformality index | 0.04 | 0.2 |
Homogeneity index | 0.1 | Â |
lung histology | 0.1 | Â |
Melanoma histology | 0.3 | Â |
Breast histology | 0,2 | Â |
frontal location | 0.2 | Â |
parietal location | 0.03 | 0.1 |
temporal location | 0.3 | Â |
cerebellar location | 0.2 | Â |
occipital location | 0.3 | Â |
brainstem location | 0.9 | Â |
V10 Gy | <0.0001 | 0.001* |
V12 Gy | <0.0001 | 0.001** |
V14 Gy | <0.0001 | 0.005° |
V16 Gy | 0.0001 | 0.009°° |
V18 Gy | 0.001 | 0.05^ |