PATIENT DOSES AND EXAMINATION FREQUENCY FOR DIAGNOSTIC RADIOLOGY IN ICELAND 1993-1998

摘要

Presented are data on the frequency of x-ray examinations that have been gathered in two surways with a fivernyear interval. There is a 17% increase in the number of x-ray examinations from 1993 to 1998. At the same timerncomputed tomography examinations are nearly doubled. Patient dose data for the different types of examinationsrnare also presented and an assessment is made of the contribution of these examinations to the Collective EffectivernDose. The number of CT examinations has increased from 8,3% of all x-ray examinations in 1993 to 13,6% inrn1998 and contributes more the 50% of the CED in 1998.