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Table 3 Kappa value for the interobserver agreement for gastric mucosa atrophy in each group

From: Interobserver and intraobserver agreement for gastric mucosa atrophy

Assessor groupa   All (n = 91) H. pylori-uninfected (n = 24) H. pylori-currently infected (n = 48) H. pylori-past infected (n = 19)
Japanese experienced Kappa value 0.474 0.583 0.295 0.401
  (95 % CI) (0.390-0.558) (0.352-0.814) (0.151-0.438) (0.212-0.589)
Vietnamese experienced Kappa value 0.408 0.458 0.344 0.141
  (95 % CI) (0.323-0.493) (0.232-0.684) (0.208-0.479) (-0.044-0.326)
Japanese beginner Kappa value 0.291 0.375 0.275 0.136
  (95 % CI) (0.207-0.376) (0.201-0.549) (0.146-0.403) (-0.051-0.322)
Vietnamese beginner Kappa value 0.373 0.416 0.255 0.205
  (95 % CI) (0.289-0.457) (0.190-0.642) (0.133-0.376) (0.021-0.390)
  1. aEach assessor group consists of 3 assessors