Complimentary Imaging Modalities for Investigating Obscure Gastrointestinal Bleeding: Capsule Endoscopy, Double-Balloon Enteroscopy, and Computed Tomographic Enterography

Table 1

Characteristics and findings of the study group ().

Parameters	Value
Age (years) (mean ± SD)	51.1 ± 17.1
Sex (M/F)	60/61
Test order
Tests before CE ()^a	CTE: 77/100; DBE: 9/46^b
Tests after CE ()^a	CTE: 23/100; DBE: 38/46^b
DBE route	Oral alone: 22; anal alone: 19; combined: 5
Findings (%)
Angiodysplasia	83 (68.6)
Small bowel tumor	27 (22.3)
Diverticulum	6 (5.0)
CD	5 (4.1)

CE: capsule endoscopy; CTE: computed tomographic enterography; DBE: double-balloon enteroscopy; CD: Crohn’s disease.
^aValue given as the proportion of CTE and DBE tests done before or after CE over all tests performed.
^bOne patient had two DBE procedures, one before CE and one after CE.