Table 2.

Key studies evaluating the diagnostic yield of capsule endoscopy for Crohn’s disease

Modality	Ref.	Number of patients	Diagnostic yield of VCE	Diagnostic yield of the compared modality	IY	P value
CTE	Eliakim et al[81]	35	77%	20%	47%	< 0.05
	Hara et al[82]	17	71%	53%	18%	NA
	Voderholzer et al[83]	41	61%	49% (CT enteroclysis)	12%	< 0.04
	Solem et al[84]	40	83%	83%	0	NS
MRE	Albert et al[85]	27	93%	78%	15%	NS
	Crook et al[22]	19	93%	71%	18%	NS
	Jensen et al[20]	93	100%	86%	14%	NS
Ileocolonoscopy	Hara et al[82]	17	71%	65%	6%	NS
	Solem et al[84]	40	83%	74%	9%	NS
	Leighton et al[86]	80	55%	25%	30%	NA

VCE: Videocapsule endoscopy; CTE: Computed tomography enterography; MRE: Magnetic resonance enterography; IY: Incremental yield; NA: Not available; NS: Non significant.