Table 3 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 | 7,210 | 5,200 |
Negative | 120 | 7,470 | |
Cohen κ | 0.5 | ||
Information agreement | 0.311 | ||