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

Overview of attention for article published in Insights into Imaging, September 2017
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Title
Benchmarking adult CT-dose levels to regional and national references using a dose-tracking software: a multicentre experience
Published in
Insights into Imaging, September 2017
DOI 10.1007/s13244-017-0570-5
Pubmed ID
Authors

Lotte Pyfferoen, Tom H. Mulkens, Federica Zanca, Timo De Bondt, Paul M. Parizel, Jan W. Casselman

Abstract

To benchmark CT-dose data for standard adult CT studies to regional and national reference levels using a dose-tracking system. Data from five CT systems from three hospitals were collected over a 1- to 2.5-year period (2012-2014), using the same type of dose management system. Inclusion criteria were adult patients and standard CT-head, CT-abdomen-pelvis, CT-thorax, CT-lumbar spine, CT-pulmonary embolism, CT-cervical spine and CT-thorax-abdomen studies, with one helical scan. Volumetric CT-dose index (CTDIvol), dose length product (DLP) and scan length from 31,709 scans were analysed statistically. After dose optimisation CTDIvol and DLP values were below the national diagnostic reference levels (DRLs) for all CT studies and for all systems investigated. Mostly no significant differences were found between CTDIvol and DLP levels (p values ≥ 0.01) of CT studies performed on different scanners within the same hospital. Significant dose differences (p values < 0.01) were instead observed among hospitals for comparable CT studies. Dose level range and scan length differences for similar CT studies were revealed. Dose-tracking systems help to reduce CT-dose levels below national DRLs. However, dose and protocol data comparison between and within hospitals has the potential to further reduce variability in dose data of standard adult CT studies. • Retrospective three-centre study on dose levels of standard adult CT procedures. • Dose-tracking systems help hospitals to stay below national dose reference levels. • Dose-tracking systems help to align CT dose levels between scanners within hospitals. • Benchmarking shows CT dose level variability for similar examinations in different hospitals. • Differences in dose level range/scan length for similar CT studies are revealed.

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The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 59 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 59 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 14%
Other 7 12%
Student > Postgraduate 6 10%
Student > Master 5 8%
Student > Bachelor 4 7%
Other 12 20%
Unknown 17 29%
Readers by discipline Count As %
Nursing and Health Professions 15 25%
Medicine and Dentistry 14 24%
Engineering 4 7%
Physics and Astronomy 4 7%
Unspecified 2 3%
Other 1 2%
Unknown 19 32%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 11 October 2017.
All research outputs
#13,881,202
of 24,217,893 outputs
Outputs from Insights into Imaging
#543
of 1,072 outputs
Outputs of similar age
#153,989
of 319,066 outputs
Outputs of similar age from Insights into Imaging
#7
of 13 outputs
Altmetric has tracked 24,217,893 research outputs across all sources so far. This one is in the 42nd percentile – i.e., 42% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,072 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.2. This one is in the 48th percentile – i.e., 48% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 319,066 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 50% of its contemporaries.
We're also able to compare this research output to 13 others from the same source and published within six weeks on either side of this one. This one is in the 38th percentile – i.e., 38% of its contemporaries scored the same or lower than it.