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Table 4 Inter-observer reliability and performance

From: Assessment of variceal bleeding in cirrhotic patients: accuracy of multi-detector computed tomography

Observer no

Ƙ Value*

AUC versus diagnosis

p value

EV-CT

   

Observer 1

0.942 (0.842–0.981)

0.964 (0.924–1.000)

< 0.001

Observer 2

0.865 (0.689–0.921)

0.946 (0.891–1.000)

< 0.001

Observer 3

0.691 (0.624–0.879)

0.870 (0.792–0.848)

< 0.001

Observer 4

0.829 (0.753–0.954)

0.940 (0.886–0.994)

< 0.001

Overall

0.826 (0.720–0.911)

0.931 (0.875–0.988)

 
  1. AUC area under the curve
  2. *Fleiss Ƙ Value and 59% CI (Confidence Interval)