Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Regression lines of IQ change over time since RT for each RT group and by CSI/focal RT history, on the basis of average values for all variables included in the model (Tables 3 and 4). CSI, craniospinal irradiation; IQ, intelligence quotient; PBRT, proton beam radiation therapy; RT, radiation therapy; XRT, photon radiation therapy.
