Table 2.

Observers' rating of endoscopic findings compared to the gold standard within the group of experienced and inexperienced endoscopists.

			Endoscopist Score
Endoscopic variables	Endoscopist group	Gold standard	Normal	Mild	Mild-Moderate	Moderate Severe	Severe
Vascular pattern	Inexperienced (N = 21)	Normal	19	2	0	0	0
		Mild	1	7	9	3	1
		Mild-Moderate	1	7	5	6	2
		Moderate-Severe	0	5	6	7	3
		Severe	0	0	1	5	15
	Experienced (N = 15)	Normal	15	0	0	0	0
		Mild	0	6	8	0	1
		Mild-Moderate	0	5	5	4	1
		Moderate-Severe	0	3	1	9	2
		Severe	0	1	1	2	11
Granularity	Inexperienced (N = 21)	Normal	16	5	0	0	0
		Mild	5	10	4	2	0
		Mild-Moderate	0	3	14	3	1
		Moderate-Severe	0	4	3	13	1
		Severe	0	0	0	2	19
	Experienced (N = 15)	Normal	15	0	0	0	0
		Mild	0	11	4	0	0
		Mild-Moderate	0	1	9	5	0
		Moderate-Severe	0	3	2	8	2
		Severe	0	0	0	2	13
Erosions	Inexperienced (N = 21)	Normal	14	5	2	0	0
		Mild	7	7	6	1	0
		Mild-Moderate	0	8	11	2	0
		Moderate-Severe	0	0	2	15	4
		Severe	0	0	0	4	17
	Experienced (N = 15)	Normal	14	1	0	0	0
		Mild	1	13	1	0	0
		Mild-Moderate	0	1	13	1	0
		Moderate-Severe	0	0	0	12	3
		Severe	0	0	1	2	12
Ulcerations	Inexperienced (N = 21)	Normal	14	6	1	0	0
		Mild	6	10	4	1	0
		Mild-Moderate	1	5	13	2	0
		Moderate-Severe	0	0	3	18	0
		Severe	0	0	0	0	21
	Experienced (N = 15)	Normal	14	0	1	0	0
		Mild	0	12	3	0	0
		Mild-Moderate	1	3	11	0	0
		Moderate-Severe	0	0	0	13	2
		Severe	0	0	0	2	13
Friability	Inexperienced (N = 21)	Normal	17	3	1	0	0
		Mild	3	11	7	0	0
		Mild-Moderate	1	6	9	5	0
		Moderate-Severe	0	1	5	13	2
		Severe	0	0	0	2	19
	Experienced (N = 15)	Normal	15	0	0	0	0
		Mild	0	13	1	1	0
		Mild-Moderate	0	2	11	2	0
		Moderate-Severe	0	0	3	12	0
		Severe	0	0	0	0	15