Facility reference level data
The curves below show the cumulative distributions for the DLP and CTDIvol from adult DRL surveys submitted to ARPANSA between the end of April 2013 (when we started collecting information regarding iterative reconstruction) and the end of 2020. The plots display the percentage of surveys that achieved a facility reference level (FRL) below the dose specified on the x-axis. Note that data collection for soft-tissue neck, cervical spine and KUB scans only began in 2018.
The blue curve represents all of the submitted data, the orange curve represents the surveys where iterative reconstruction (IR) was used and the green curve represents the surveys where IR was not used. The data portrayed includes data other than that used to calculate the current DRLs and, consequently, the DRLs do not match the 75th percentile of the plotted distributions.
Head
Soft tissue neck
Cervical spine
Chest
Chest abdomen pelvis
Abdomen pelvis
Kidney Ureter Bladder
Lumbar spine
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