Table 3.

Intra-observer agreement.

	Expert 1	Expert 2	Beginner 1	Beginner 2
Colonoscopy indicated	0.79 (0.64–0.88)	0.89 (0.81–0.94)	0.73 (0.55–0.85)	0.56 (0.31–0.74)
Large polyps (≥10 mm)	0.95 (0.92–0.97)	0.81 (0.68–0.89)	0.71 (0.53–0.84)	0.62 (0.39–0.78)
Number of polyps	0.98 (0.96–0.98)	0.99 (0.98–0.99)	0.76 (0.60–0.87)	0.74 (0.56–0.85)
Bowel cleansing quality	0.75 (0.57–0.85)	0.69 (0.49–0.82)	0.69 (0.50–0.82)	0.69 (0.49–0.82)

ICC: intraclass correlation coefficient.

Intra-observer agreement in two experts and two beginners, assessed with ICC with 95% confidence interval.

Values printed in bold show good and excellent agreement, the other values show moderate and poor agreement.