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We read with interest Mucci et al’s1 study of the accuracy of interpretation of cranial computed tomography (CT) scans in trauma by emergency department (ED) staff. It is a topical subject that needs exploring, but we have questions about the design of their study.
Firstly, the study was underpowered with only 100 scans examined. The quoted sensitivity of 86.6% has too …
Competing interests: none declared
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