Fig. 5
From: Dose development in sinonasal imaging over the last decade – a retrospective patient study
Radiation dose of CT-scans used for trauma assessment in the past 12 years. Bar chart (A) and Box plot (B) of CTDIVol (A) and DLP (B) of protocols (x-scale) used for trauma assessment in the past 12 years. Horizontal lines within boxplots represent medians. Upper and lower whiskers correspond to 1.5 x of the interquartile range. Black dots represent outliers. The short dash, medium dash, and solid horizontal line show the reference values given by the authorities for this CT examination at the time. ATCM = automatic tube current modulation, CT = computed tomography, CTDIVol = computed tomography dose index, DLP = dose length product, FBP = filtered back projection, Gen. = generation