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Interobserver agreement (observer A and B) for classification of hepatocellular carcinoma (HCC) and hepatocellular adenoma (HCA) from liver tumor samples (n=100).a
| HCC - B | HCA - B | |
|---|---|---|
| HCC - A | 39 | 10 |
| HCA - A | 6 | 45 |
kappa value was calculated as (HCC + HCA agreements)/total assessments. kappa = (39+45)/100= 0.84. The kappa score indicates there is a strong agreement between observer A and B in classifying these liver tumors.
