Table 3.

Experience correlated to pass score and cecal intubation rate

Test person	Competence	Total colonoscopies	Colonoscopies in last year	Z mean	Z-score passed	Cecal intubation
1	Experienced Endoscopist	3000	300	1.15	Yes	Yes
2	Experienced endoscopist	400	10	1.32	Yes	Yes
3	Experienced endoscopist	2000	0	1.25	Yes	Yes
4	Experienced endoscopist	1000	17	0.08	Yes	Yes
5	Experienced endoscopist	1700	150	0.30	Yes	Yes
6	Experienced endoscopist	4000	232	0.70	Yes	Yes
7	Experienced endoscopist	3000	14	0.78	Yes	Yes
8	Experienced endoscopist	2000	450	0.76	Yes	Yes
9	Experienced endoscopist	2000	75	0.82	Yes	Yes
10	Experienced endoscopist	350	30	0.73	Yes	Yes
11	Novice	0	0	1.54	No	No
12	Novice	0	0	1.48	Yes	No
13	Novice	0	0	1.28	Yes	Yes
14	Novice	0	0	2.26	No	Yes
15	Novice	1	1	6.19	No	Yes
16	Novice	0	0	0.27	Yes	Yes
17	Novice	0	0	6.50	No	No
18	Novice	0	0	5.25	No	Yes
19	Novice	0	0	1.17	Yes	No
20	Novice	0	0	3.25	No	Yes
21	Novice	2	2	0.65	Yes	No