Table 3. Evaluation of interobserver agreement between each endoscopist’s BBPS score vs CCSP and the average BBPS score for all endoscopists vs CCSP using interclass correlation coefficient (ICC).

			Interval confidence 95 %
		ICC	Upper limit	Lower limit	P value
First endoscopist	pre	0.64	0.0	0.74	.000
	post	0.70	0.58	0.78	.000
Second endoscopist	pre	0.65	0.53	0.70	.000
	post	0.64	0.50	0.74	.000
Third endoscopist	pre	0.70	0.59	0.75	.000
	post	0.71	0.60	0.79	.000
Fourth endoscopist	pre	0.69	0.57	0.78	.000
	post	0.65	0.52	0.75	.000
Endoscopists’ average score	pre	0.87	0.84	0.90	.000
	post	0.86	0.83	0.89	.000