Table 2.

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

	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

Note: All values calculated using kappa statistics.