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False prompts were significantly less likely with higher density (P = 0.008).
There is lower specificity with one to two false prompts per case.
The number of false prompts was significantly higher in controls (average 3.6 vs. 2.6, P <0.001).
In UK screening, readers will dismiss over 1000 false prompts for every true prompt, which should change their outcome decision.
False prompts were present in 86% of cases and controls with density at or below the median, and in 81% of those with density above the median.
A random sample of 10% of the 9,781 normal cases was used to examine reader behaviour to false prompts and to no prompts.
Similar(48)
His infatuation with US-style private healthcare dates from at least 2002 after a BMJ article claiming that California-based Kaiser Permanente achigher higher levels of performance at roughly the same cost as the NHS – a claim later shown to be false – prompted him to visit California.
Some systems produce, on average, nearly one false prompt per mammogram.
High sensitivity rates are important commercially but result in increased false prompt rates, which are known to distract radiologists.
Researchers of mathematics education at the University of Michigan have included the true-or-false prompt "0 is an even number" in a database of over 250 questions designed to measure teachers' content knowledge.
Analysis of the data revealed that 107 (70%) of all false alarm prompts issued were to "use the soap", equating to 36% of all prompts given by the device or 8% of all observed conditions.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com