Ensure preparation and capsule endoscopy: A two-center prospective study

Table 3 Scoring of bile presence and cleanliness of small bowel (mean ± SD)

	Group 1	Group 2	Group 3	Group 4	P value
	Overnight fast	Low fiber diet and overnight fast	PEG and overnight fast	Ensure and overnight fast
Number of patients	36	61	43	17
Duodenal bile score	1.96 ± 0.7	1.9 ± 0.6	2.9 ± 0.6	1.76 ± 0.6	General = 0.15; 0.053 (group 3 vs group 4)
Cleanliness of proximal SB	1.8 ± 0.6	1.8 ± 0.4	1.7 ± 0.4	1.6 ± 0.34	General = 0.6
Cleanliness of middle SB	1.9 ± 0.7	2.1 ± 0.6	1.8 ± 0.6	1.7 ± 0.5	General = 0.16; 0.057 (group 2 vs group 3); 0.07 (group 2 vs group 4)
Cleanliness of distal SB	2.2 ± 0.7	2.2 ± 0.6	2.3 ± 0.8	2.1 ± 0.6	General = 0.6
Total score of clearness	1.97 ± 0.7	2 ± 0.6	1.9 ± 0.6	1.8 ± 0.5	General = 0.4; 0.06 (group 2 vs group 4)

SB: Small bowel; PEG: Polyethylene glycol.