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Is film-reading performance related to the number of films read? The Scottish experience
1North East Scotland Breast Screening Centre, Aberdeen, UK. address: k.duncan@nhs.net
Aim:
To determine whether a drop-off in reading performance occurred with high-volume caseloads in Scotland.
Materials And Methods:
The reading performance figures for all eligible film readers over a 36 month period were reviewed to determine the number of films read as first and second reader, the recall rates, the cancers detected, and the cancers missed by each reader.
Results:
During the 3 year period, screen-reading volumes varied from 7009 to 53,598. There were six low-volume readers, 16 medium-volume readers, and 15 high-volume readers (>25,000 cases in the 3 year period). No statistically significant differences were found in the first read specificity or the recall rate between the three groups.
Conclusion:
The present results do not support the suggestion that reading performance drops off with a three year case volume of greater than 25,000 reads.
