Importance Glioma is the most commonly occurring malignant brain tumor in the United
States, and its incidence varies by age, sex, and race or ethnicity. Survival after brain tumor
diagnosis has been shown to vary by these factors. Objective To quantify the differences in
incidence and survival rates of glioma in adults by race or ethnicity. Design, Setting, and
Participants This population-based study obtained incidence data from the Central Brain
Tumor Registry of the United States and survival data from Surveillance, Epidemiology, and …