Table 4.

Comparison of performance of Groups A-bis (post self-training, final evaluation), B and C (initial evaluations)

	Group A-bis	Group B	Group C	P value (A-bis vs B)	P value (A-bis vs C)
	No exp. ev. final (n = 8)	Moderate experience (n = 17)	Extensive experience (n = 9)
Visualization score (median [IQR])	28 [0]	27 [1]	28 [3]	0.017	0.244
Identification score (median [IQR])	27 [4]	24 [8]	20 [9]	0.118	0.02
Total procedure time in seconds (median [IQR])	216 [257]	198 [112]	210 [77]	0.954	0.7
Overall performance score (%) (median [IQR])	25.5 [26.3]	25.3 [13.8]	22.2 [5.5]	0.954	0.564
Scope-wall contact time (%) (median [IQR])	51.5 [9]	62 [8]	63 [21]	0.07	0.247
Scope at mid-lumen time (%) (median [IQR])	13.5 [4]	11 [3]	12 [6]	0.208	0.498