Association of trainee participation with adenoma and polyp detection rates

Table 2 Associations of gastroenterology fellow training level with adenoma detection rate, polyp detection rate, and advanced adenoma detection rate; Grady Memorial Hospital, Atlanta, Georgia, July 1, 2009 – July 1, 2015

Outcome	Fellowship training level	Detection rate	Trend P value1	aOR2	95%CI	P value
≥ 1 adenoma (ADR)	Attending alone (reference)	30.7%	0.0003	1.00	-
	Fellow in 1st 6 mo	32.4%		1.07	0.89-1.3	0.47
	Fellow in 2nd 6 mo	33.3%		1.16	0.96-1.39	0.13
	Fellow in 2nd year	34.4%		1.15	1.00-1.32	0.06
	Fellow in 3rd year	35.4%		1.23	1.09-1.39	0.001
≥ 1 polyp (PDR)	Attending alone (reference)	40.1%	< 0.0001	1.00	-
	Fellow in 1st 6 mo	42.4%		1.10	0.92-1.32	0.28
	Fellow in 2nd 6 mo	42.7%		1.14	0.96-1.36	0.14
	Fellow in 2nd year	44.4%		1.17	1.02-1.33	0.02
	Fellow in 3rd year	45.7%		1.25	1.12-1.41	0.0001
≥ 1 advanced adenoma (AADR)	Attending alone (reference)	8.7%	0.7	1.00	-
	Fellow in 1st 6 mo	4.8%		0.52	0.35-0.76	0.001
	Fellow in 2nd 6 mo	9.1%		1.06	0.78-1.44	0.71
	Fellow in 2nd year	9.3%		1.05	0.83-1.31	0.7
	Fellow in 3rd year	8.3%		0.93	0.76-1.15	0.51
≥ 1 adenoma in right colon (RT-ADR)	Attending alone (reference)	21.1%		1.00	-
	Fellow in 1st 6 mo	22.3%	0.002	1.05	0.85-1.3	0.64
	Fellow in 2nd 6 mo	23.4%		1.16	0.94-1.42	0.17
	Fellow in 2nd year	23.9%		1.14	0.98-1.34	0.1
	Fellow in 3rd year	24.8%		1.22	1.06-1.39	0.005
≥ 1 adenoma in left colon (LT-ADR)	Attending alone (reference)	14.8%	0.01	1.00	-
	Fellow in 1st 6 mo	16.1%		1.16	0.87-1.41	0.42
	Fellow in 2nd 6 mo	16.4%		1.15	0.91-1.46	0.24
	Fellow in 2nd year	16.8%		1.13	0.94-1.35	0.18
	Fellow in 3rd year	17.7%		1.23	1.06-1.44	0.01

¹Mantel-Haenszel χ² (non zero correlation);

²From unconditional logistic regression model controlling for age, sex, race, and colon-cleansing preparation quality. ADR: Adenoma detection rate; PDR: Polyp detection rate; AADR: Advanced adenoma detection rate; RT-ADR: Right sided ADR; LT-ADR: Left sided ADR; aOR: Adjusted odds ratio.