Predictors of double balloon endoscopy outcomes in the evaluation of gastrointestinal bleeding

Table 3 Time between gastrointestinal bleed, video capsule endoscopy and double balloon endoscopy in relation to outcomes n (%)

Variables		Less than 1 wk	1 wk to 1 mo	1 mo to 1 yr	More than 1 yr
Time from onset of GI bleed to VCE	VCE with positive findings/total No. of VCE	10/10	2/3	11/14	15/18
		(100)	(66.7)	(78.6)	(83.3)
Time from onset of GI bleed to DBE	DBE with positive findings/total No. of DBE	2/8	3/3	9/14	17/27
		(25)	(100)	(64.3)	(63)
	DBE leading to therapy/total No. of DBE	1/8	3/3	7/14	14/27
		(12.5)	(100)	(50)	(51.9)
Time from VCE to the DBE procedure	DBEs with positive diagnostic yield/total No. of DBEs	8/15	3/6	15/25	3/6
		(53.3)	(50)	(60)	(50)
	DBEs that led to therapy/total No. of DBEs	7/15	2/6	13/25	2/6
		(46.7)	(33.3)	(52.0)	(33.3)

VCE: Video capsule endoscopy; DBE: Double balloon endoscopy; GI: Gastrointestinal.