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Table 5 Multiple comparison adjusted p values for comparison of median CTDIvol and DLP values between scanners highlighting the intrahospital benchmarking

From: Benchmarking adult CT-dose levels to regional and national references using a dose-tracking software: a multicentre experience

  CT1 versus CT2 CT4 versus CT5
CTDI DLP CTDI DLP
CT-head > 0.99 > 0.99 < 0.001 > 0.99
CT-abdomen-pelvis > 0.99 0.04 > 0.99 > 0.99
CT-thorax 0.0001 < 0.0001 0.48 0.001
CT-lumbar spine NA NA < 0.01 < 0.01
CT-pulmonary embolism < 0.0001 0.03 NA NA
CT-cervical spine > 0.99 > 0.99 0.08 > 0.99
CT-thorax-abdomen 0.85 > 0.99 NA NA