Answer to yesterday’s quiz: According to an analysis of accuracy on the basis of the first imaging test performed, what was the sensitivity of ultrasonography performed by a radiologist for the detection of kidney stones? A. 35%. B. 57%. C. 71%. D. 88%. The answer is B. An analysis of accuracy that was performed on the basis of the result of the first imaging test that patients underwent showed that ultrasonography had lower sensitivity and higher specificity than CT: the sensitivity was 54% (95% confidence interval [CI], 48 to 60) for point-of-care ultrasonography, 57% (95% CI, 51 to 64) for radiology ultrasonography, and 88% (95% CI, 84 to 92) for CT (P
Posted on: Tue, 23 Sep 2014 13:00:00 +0000
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