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Table 4 Results of ROC-analysis based on a cut-off-value > 2, as well as percentages of decisions concordant to consensus

From: Evaluation of superficial femoral artery-lesions after percutaneous transluminal angioplasty: color-coded summation images vs. monochromatic digital subtraction angiography

Participants

 

monochromatic

color-coded

difference

p-value

A

Sensitivity

0.686

0.669

  

Specificity

0.842

0.85

  

PPV

0.844

0.853

  

NPV

0.684

0.675

  

AUC

0.792

0.797

0.005

0.890

Decision concordant to consensus

0.737

0.728

  

B

Sensitivity

0.856

0.729

  

Specificity

0.768

0.811

  

PPV

0.821

0.827

  

NPV

0.811

0.706

  

AUC

0.865

0.843

0.022

0.453

Decision concordant to consensus

0.714

0.744

  

C

Sensitivity

0.729

0.729

  

Specificity

0.905

0.800

  

PPV

0.905

0.819

  

NPV

0.729

0.704

  

AUC

0.872

0.804

0.068

0.023

Decision concordant to consensus

0.803

0.761

  

A + B + C

Sensitivity

0.757

0.709

  

Specificity

0.839

0.821

  

PPV

0.857

0.832

  

NPV

0.741

0.695

  

Decision concordant to consensus

0.750

0.744