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Table 3 Diagnostic characteristics of index tests for pneumothorax

From: “Anterior convergent” chest probing in rapid ultrasound transducer positioning versus formal chest ultrasonography to detect pneumothorax during the primary survey of hospital trauma patients: a diagnostic accuracy study

 

Chest ultrasound

Chest radiography

Comparison

Parameter

Value

95 % CI

Value

95 % CI

P-Value

Sensitivity

78

52–93

36.4

11–69

<0.001

Specificity

92

83–97

98

90–100

0.1

LR+

10

4.3–25

18

2–144

0.007

LR-

0.25

0.1–0.6

0.65

0.4–1

<0.001

PPV

74

49–91

80

28–99

0.4

NPV

94

85–98

87

75–95

0.14

  1. LR+: positive likelihood ratio; LR-: negative likelihood ratio; CI: confidence interval. All values are expressed as percentages, except for LR+ and LR-
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Journal of Trauma Management & Outcomes

ISSN: 1752-2897

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