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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)