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Table 2 Ultrasound lung comets (ULC) score and B-profile pattern accuracy

From: Bedside lung ultrasonography by emergency department residents as an aid for identifying heart failure in patients with acute dyspnea after a 2-h training course

 

ULC scorea

B-profile pattern

%[95% confidence interval]

Sensitivity

87.6 [83.8–90.6]

82.5 [78.3–86]

Specificity

75.1 [70.1–79.4]

83.9 [79.5–87.5]

Positive predictive value

79.9 [76–83.7]

85.2 [81.6–88.9]

Negative predictive value

84.3 [80.1–88.5]

80.9 [76.8–85.1]

Positive likelihood ratio

3.51 [2.90–4.25]

5.12 [3.98–6.58]

Negative likelihood ratio

0.165[0.12–0.21]

0.20 [0.16–0.26]

  1. aCut-off = 15