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. 2018 Mar 23;33(15):e117. doi: 10.3346/jkms.2018.33.e117

Fig. 3.

Fig. 3

The kappa coefficient of reliability on grading of EAGa according to the level of experience.

EAG = endoscopic atrophic gastritis.

aEAG was sub-classified into two-type: closed type (C-type, C1 to C3) and open type (O-type, O1 to O3); bExperienced group was defined by their endoscopic experience over 10 years; cLess-experienced group was defined by their endoscopic experience less than 10 years. Kappa values (K) ≤ 0.20 denoted poor, 0.21–0.40 fair, 0.41–0.60 moderate, 0.61–0.80 good and > 0.80 excellent.