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Table 2 Intra- and inter-observer agreement of H. pylori infection status on endoscopy

From: Accuracy of endoscopic diagnosis of Helicobacter pyloriinfection according to level of endoscopic experience and the effect of training

  Intra-observer agreement Inter-observer agreement
Beginner 1 0.65 0.46
Beginner 2 0.62
Intermediate 1 0.72 0.78
Intermediate 2 0.74
Advanced 1 0.67 0.65
Advanced 2 0.82
  1. Note: All values calculated using kappa statistics.