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External validation of the CHOKAI score for the prediction of ureteral stones: A multicenter prospective observational study

The American Journal of Emergency Medicine Jul 18, 2019

Fukuhara H, et al. - Via performing a multicenter prospective observational study including 124 patients (aged >15 years) with renal colic and suspected with ureteral stones, researchers compared the CHOKAI and STONE scores and investigated their diagnostic accuracy for ureteral stones. Diagnosis of ureteral stones was made in 84 of the studied patients. The CHOKAI score vs the STONE score produced a significantly higher area under the curve indicating its superior diagnostic performance to that of the STONE score in this population.
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