International CT Dose Registry Data

This study was completed using data assembled in the University of California, San Francisco International CT Dose Registry. This dataset has been used and described in previous publications, as have the means by which it was collected [3 (link), 9 (link)–11 (link)]. In short, the registry prospectively collected data from 162 diverse imaging facilities and hospitals from 7 countries including 20 US states, including academic, public, and private institutions, outpatient, emergency department, and in-patient settings, trauma centers, and cancer hospitals. Most of the data are from the US All contributing institutions used Radimetrics™ Radiation Dose Management Solution (Bayer HealthCare). The University of California, San Francisco Institutional Review Board approved the study, providing a waiver for individual informed consent, and collaborating institutions obtained IRB approval locally, or relied on University of California, San Francisco approval.