Table 3

Interobserver agreement for p53 expression between two expert pathologists

P53 expressionNormal expressionOverexpressionLoss of expressionκ
Normal expression1126 (76%)56 (4%)7 (0%)0.793
Overexpression24 (2%)234 (16%)
Loss of expression14 (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.