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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