Table 4. Colonoscopy findings.

	Retroflexion (N=450)	Forward view (N=400)	P value
Confidence in quality of initial examination of proximal colon			0.31
Very high	349	293
High	84	95
Moderate	16	11
Low	1	1
Very low	0	0
Withdrawal 1
Duration	2.8±3.1	2.8±2.5	0.89
≥1 Polyp	133	120	0.89
≥1 Adenoma	102	94	0.78
Polyps per patient	0.49	0.47	0.78
Adenomas per patient	0.39	0.37	0.71
Withdrawal 2
Duration	1.4±1.3	1.9±1.8	<0.001
≥1 Polyp	48	58	0.09
≥1 Adenoma	34	42	0.13
Polyps per patient	0.12	0.17	0.1
Adenomas per patient	0.09	0.12	0.15
Distal colon
Duration	8.3±5.9	8.0±5.4	0.53
≥1 Polyp	232	201	0.73
≥1 Adenoma	150	115	0.16
Polyps per patient	1.1	0.98	0.48
Adenomas per patient	0.65	0.45	0.1
Total
Duration	22.0±10.9	21.1±9.7	0.23
≥1 Polyp	281	257	0.62
≥1 Adenoma	212	184	0.75
Polyps per patient	1.8	1.6	0.89
Adenomas per patient	1.1	0.93	0.75