Figure 4.
Device-specific comparative analysis of radiation exposure quantities in ERCP procedures for non-PSC indications for Center 1 equipment according to ASGE complexity grading levels: (a) KAP, (b) fluoroscopy time, (c) Ka,r, and (d) number of exposures. A logarithmic scale is employed on the y-axis to enhance visualization of changes at low dose levels, shorter fluoroscopy times, and low number of exposures. In the boxplots, circles and asterisks denote outliers and extreme cases, respectively. Outliers are defined as data points that fall beyond 3 standard deviations from the mean. Extreme cases are identified as data points lying outside of 1.5 times the interquartile range above the third quartile or below the first quartile in the boxplot.