Research Article

Diagnosis System for Hepatocellular Carcinoma Based on Fractal Dimension of Morphometric Elements Integrated in an Artificial Neural Network

Table 6

The level of agreement between the CAD system relying on FDs and the human operators that subjectively evaluated the images.

ComparisonKappaStandard error95% confidence intervalForce of concordance

Observer 1 and CAD0.9780.0030.973–0.983 Excellent
Observer 2 and CAD0.8980.0050.887–0.909Excellent