A meta-analysis of the yield of capsule endoscopy compared to double-balloon enteroscopy in patients with small bowel diseases

Table 1 Description of the included studies (CE/DBE)

Researcher (yr)	Case numberenrolled in study	Mean age	Male patientsnumber	Case numberenrolled in analysis	Positive findings	Complication	Double blindmethod
Kameda N[14] (2006)1	24	62	9	24	15/16	1/0	Yes
Hadithi M (2006)	35	63	22	35	28/21	0	No
Nakamura M (2006)	32	59	21	28	17/12	0	Yes
Matsumoto T (2005)	13	48	7	13	10/6	0	Yes
Wi JH (2006)1	11	44	5	10	7/9	0	Yes
Damian U (2006)1	28	60	Not reported	28	19/14	0	Not reported
Mehdizadeh S (2006)	188	58	85	115	63/57	0	No
Zhong J[15] (2004)	24	39	16	24	11/21	2/0	Yes

¹Abstracts from national meetings.

Table 2 Counting statistics of various lesions identified by CE and DBE in patients with obscure GI bleeding

	CE	DBE	P value
Angiodysplasia or phlebangioma	76	62	0.189
Tumor	15	23	0.236
Polyp	9	2	0.062
Ulcer	20	20	1
Erosion	11	4	0.113
Crohn disease	4	7	0.544
Diverticulum	1	5	0.216
Fresh blood and clot or red spot	7	2	0.176
Others	3	7	0.339
Total	146	132	0.228
Patients number	239	239

Table 3 Cost analysis (according to the charging standard in China, 2006)

	Cost per patient evaluated (RMB: Yuan)
CE	8500
DBE	3746
CE + DBE × 1	12246
CE + DBE × 2	15992
DBE × 2	7492