Interobserver agreement for p53 expression between two expert pathologists
| P53 expression | Normal expression | Overexpression | Loss of expression | κ |
|---|---|---|---|---|
| Normal expression | 1126 (76%) | 56 (4%) | 7 (0%) | 0.793 |
| Overexpression | 24 (2%) | 234 (16%) | – | |
| Loss of expression | 14 (1%) | – | 19 (1%) |
The highest degree of abnormality was reported for each endoscopy after examining all biopsies.
Cohen κ statistics were used to determine interobserver agreement.