Lower Level of Bacteroides in the Gut Microbiota Is Associated with Inflammatory Bowel Disease: A Meta-Analysis

Table 2

(a) Mean Bacteroides levels in different types of IBD patients (continuous data). (b) Bacteroides detection rate in different types of IBD patients (dichotomous data).

(a)

	First author
	Andoh [23]	Andoh [15]	Sokol [19]	Swidsinski [20]	Swidsinski [21]	Takaishi [22]
Year	2011	2012	2006	2002	2005	2008
Method	T-RFLP	T-RFLP	FISH	Conventional culture	FISH
Bacteroides levels in CD patients
Bacteroides levels in UC patients		NA
Bacteroides levels in IC patients	NA	NA				NA
Bacteroides levels in control group	0

CD = Crohn’s disease, UC = ulcerative colitis, IC = indeterminate colitis, and NA = no data available; : QPCR: Real-Time Quantitative PCR.

(b)

	First author
	Ashorn [16]	Basset [17]	Kleessen [18]
Year	2009	2004	2002
Patients with CD (total)	11 (18)	3 (10)	7 (15)
Patients with UC (total)	15 (36)	4 (18)	8 (22)
Patients with IC (total)	4 (4)	1 (4)	(NA)
Patients in control group (total)	(NA)	8 (32)	6 (15)

CD = Crohn’s disease, UC = ulcerative colitis, IC = indeterminate colitis, and NA = no data available.