Table 14 Results of receiver operating characteristic (ROC) curve analysis of the association between the hammer sign and anterior prepontine cistern area.

From: MRI imaging characteristics of brainstem and midbrain aqueduct in patients with iNPH

Inspection indicators

AUC

Standard errora

Asymptotic significanceb

Asymptotic 95% confidence Interval

Lower limit

Upper limit

Prepontine cistern area in the iNPH group

0.926

0.070

0.017

0.790

1.000

Prepontine cistern area in Healthy subjects

0.605

0.114

0.557

0.382

0.828

  1. Note: AUC is the area under the receiver operating characteristic curve. aBased on nonparametric assumptions. bNull hypothesis: True area = 0.5.
Back to article page