Table 1

Overall concordance in histological classification between pathologistsa

Pathologist 2Total
Intestinal typeDiffuse typeOther
Pathologist 1
Intestinal type425350
Diffuse type727438
Other2024
Total50321092
  • a Observed concordance = (42 + 27 + 2)/92 = 77%. κ coefficient = 0.59 (95% CI, 0.44–0.73).