1213 / 1266
Stereotactic radiosurgery utilisation
SEERS-Medicare database, patients with NSCLC and diagnosed with brain metastases
7708 patients treated with RT within 2 months of brain mets diagnosis, age >65
Halasz et al 2011
ASTRO abstract
Year of diagnosis
Higher socio-economic status
Number of sites of systemic disease
Longer progression free interval
Admission to teaching hospital
No history of low income status
Independent factors associated with
higher chance of receiving SRS
SEERS study
availability
prognosis