Interobserver agreement (kappa statistics) for a diagnosis of high grade dysplasia versus intramucosal adenocarcinoma*—second histological assessment (n=46)
| Reading | Kappa | p Value | 95% CI | Interpretation |
|---|---|---|---|---|
| *Excludes any specimen diagnosed with submucosal adenocarcinoma. | ||||
| GI-1/GI-2, gastrointestinal pathologists 1 and 2; GSP, general surgical pathologist; Kappa, kappa coefficient; 95% CI, confidence interval. | ||||
| All observers | 0.50 | <0.001 | 0.33–0.67 | Moderate |
| GI-1/GI-2 | 0.61 | <0.001 | 0.32–0.90 | Good |
| GI-1/GSP | 0.43 | 0.004 | 0.14–0.72 | Moderate |
| GI-2/GSP | 0.46 | 0.002 | 0.17–0.75 | Moderate |