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Proceedings Paper

Does time of day influence cancer detection and recall rates in mammography?
Author(s): Chris Stinton; David Jenkinson; Victor Adekanmbi; Aileen Clarke; Sian Taylor-Phillips
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Paper Abstract

Background: The interpretation of screening mammograms is influenced by factors such as reader experience and their annual interpretative volume. There is some evidence that time of day can also have an effect, with better diagnostic accuracy for readings conducted early in the day. This is not a consistent finding, however. The aim of our study is to provide further evidence on whether there is an effect of time of day on recall- and breast cancer detection rates. Method: We analysed breast screening data from 222,577 women from the Midlands of England. Data were split into three eight hour periods: 0900-1700, 1700-0100, 0100-0900. Differences in recall- and cancer detection rates were analysed using multilevel logistic regression models. Results: Recall rates were lowest for mammograms read between the 1700-0100 time period. Cancer detection rates were lowest during the 0100-0900 time period. Conclusions: Our findings suggest that there are fluctuations in recall- and cancer detection rates over the course of the day.

Paper Details

Date Published: 10 March 2017
PDF: 6 pages
Proc. SPIE 10136, Medical Imaging 2017: Image Perception, Observer Performance, and Technology Assessment, 101360B (10 March 2017); doi: 10.1117/12.2254280
Show Author Affiliations
Chris Stinton, Warwick Medical School, The Univ. of Warwick (United Kingdom)
David Jenkinson, Warwick Medical School, The Univ. of Warwick (United Kingdom)
Victor Adekanmbi, Warwick Medical School, The Univ. of Warwick (United Kingdom)
Aileen Clarke, Warwick Medical School, The Univ. of Warwick (United Kingdom)
Sian Taylor-Phillips, Warwick Medical School, The Univ. of Warwick (United Kingdom)


Published in SPIE Proceedings Vol. 10136:
Medical Imaging 2017: Image Perception, Observer Performance, and Technology Assessment
Matthew A. Kupinski; Robert M. Nishikawa, Editor(s)

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