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Table 4 Cut-off value of death or need for ECMO using variables

From: Early echocardiographic pulmonary artery measurements as prognostic indicators in left congenital diaphragmatic hernia

 

Cut-off value

Sensitivity

Specificity

Positive predictive value

Negative

predictive

value

o/e LHR (%)

49.9

94.7

63.5

48.7

97.1

LPA: MPA ratio (%)

31.2

84.2

96.3

88.9

94.4

RPA: MPA ratio (%)

40.1

79.0

83.0

62.5

91.7

Nakata index

90

89.5

80.8

63.0

95.5

  1. Abbreviations: ECMO, extracorporeal membrane oxygenation; LPA, left pulmonary artery; MPA, main pulmonary artery; o/e LHR, observed/expected lung-to-head ratio; RPA, right pulmonary artery