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Table 3 The cut-off value of ONSD measured in 3D DRIVE and T2 WI sequences for diagnosing idiopathic intracranial hypertension

From: MRI measurement of optic nerve sheath diameter using 3D driven equilibrium sequence as a non-invasive tool for the diagnosis of idiopathic intracranial hypertension

 

Cut-off value (mm)

Sensitivity (%)

Specificity (%)

+PV (%)

-PV (%)

Accuracy (%)

3D DRIVE ONSD

> 5.21

94.12

70.59

76.2

92.3

82.35

> 5.31

94.12

82.35

84.2

93.3

88.24

> 5.6

76.47

82.35

81.2

77.8

79.41

T2 WI ONSD

> 5.31

94.12

52.94

66.67

90

73.53

> 5.6

88.2

64.71

71.43

84.62

76.47

> 5.8

76.47

70.59

72.22

75

73.6