Clinically relevant effective dose k-factors for brain CT derived from Korean body size phantoms and National CT Dose Index Registry Data

Key Points

• Effective dose k-factors are clinically relevant for brain CT applications, which helps in optimizing radiation exposure.
• The study reports on k-factors derived from body size phantoms aligned with the National CT Dose Index Registry data.
• Analysis involved data from various body size phantoms to better understand radiation effects in different demographics.
• Improved effective dose k-factors may enhance clinical practices in radiology and patient safety during CT scans.