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A contribution to the establishment of diagnostic reference levels in CT

¹ Medical Physics Department, Papageorgiou Hospital, 56403 Thessaloniki, ² Medical Physics Laboratory, Medical School, Aristotle University of Thessaloniki, 54006 Thessaloniki and ³ Social Security Institution, 19 Aristotelous st., 54624 Thessaloniki, Greece

View larger version (37K): [in a new window]   Figure 1. The weighted CT dose index (CTDIw) values calculated for each examination. The dotted horizontal line shows the corresponding 3rd quartile value and the continuous horizontal line represents the corresponding proposed European Commission reference level.

View larger version (37K): [in a new window]   Figure 2. Dose–length product (DLP) values calculated for each examination. The dotted horizontal line shows the corresponding 3rd quartile value and the continuous horizontal line represents the corresponding proposed European Commission reference level.