Throughout the study, high managed care markets demonstrated a greater propensity for IMRT adoption compared to low managed care markets (p=0.05).
HSA, health service area; IMRT, intensity-modulated radiotherapy
*Adjusted for patient-level (i.e., age, tumor grade and stage, and comorbidity) and market-level characteristics (i.e., racial composition, population density, education, income, percent speaking English as a secondary language, number of hospital beds and radiation oncologists in a market, and SEER region).