Table 2.

Univariate Analysis for Predictors of Overall, Proximal, and Distal

	Overall AD			Proximal AD			Distal AD
	OR	95% CI	p-value	OR	95% CI	p-value	OR	95% CI	p-value
Age:	1.03	1.01–1.05	< 0.01	1.04	1.02–1.07	< 0.01	1.02	1.00–1.04	0.01
(per year)
Sex:	1.68	1.36–2.07	< 0.01	1.58	1.21–2.07	< 0.01	1.62	1.26–2.10	< 0.01
Male vs
Female
Indication:	1.44	1.16–1.78	< 0.01	1.16	0.89–1.53	0.27	1.89	1.45–2.42	< 0.01
Family history vs
Positive FOBT
Bowel preparation:	0.67	0.26–1.85	0.47	0.83	0.25–2.80	0.77	0.47	0.11–1.98	0.30
Poor vs
Good or fair
Colonoscopy volume	1.00	1.00–1.00	< 0.01	1.00	1.00–1.01	< 0.01	1.00	1.00–1.00	0.15
(per procedure)
Intubation:	1.72	0.80–3.70	0.16	1.74	0.62–4.88	0.29	1.98	0.48–2.19	0.19
Cecal vs
Incomplete
Years of practice	0.97	0.97–0.98	< 0.01	0.96	0.95–0.97	< 0.01	0.98	0.71–5.55	< 0.01
(per year)
Endoscopist Specialty:	1.77	1.37–2.29	< 0.01	2.00	1.46–2.72	< 0.01	1.60	1.18 - 2.18	< 0.01
Gastroenterology vs
Surgery

Note: AD Adenoma detection