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Table 3 Summary of diagnosis performance of PoCUS

From: Ultrasound at the patient’s bedside for the diagnosis and prognostication of a renal colic

  Pyelocalyceal dilatation Lithiasis Perinephric fluid
Se [95% CI] 95 [89–100] 43 [32–54] 57 [36–78]
Sp [95% CI] 68 [58–77] 92 [80–100] 90 [83–97]
PPV [95% CI] 94 [88–99] 94 [87–99] 60 [38–81]
NPV [95% CI] 73 [63–82] 33 [21–44] 89 [82–95]
A [95% CI] 91 [86–95] 54 [44–64] 83 [76–90]
  1. Se, sensitivity; Sp, specificity; PPV, positive predictive value; NPV, negative predictive value; A, accuracy