Table 4 Agreement matrices leading to paradoxical values for Cohen κ
From: An information-oriented paradigm in evaluating accuracy and agreement in radiology
Reader 1 | |||
|---|---|---|---|
Positive | Negative | ||
Reader 2 | Positive | 19,818 | 116 |
Negative | 5 | 61 | |
Cohen κ | 0.5 | ||
Information agreement | 0.638 | ||