Diagnostic yield of video capsule endoscopy vs simple balloon enteroscopy in small intestinal disorders: A systematic review

Table 2 Quality Assessment of Diagnostic Accuracy Studies tool for assessing the quality of the included studies

Ref.	Consecutive/random sample	Case-control design	Avoided inappropriate exclusions	Avoided patient selection bias	Index test interpretation bias	Reference standard classification	Patient flow bias
Shiani et al[13]	Yes	Yes	Low	Low	Yes	Low	Yes
Ma et al[1]	Unclear	Yes	Moderate	Low	No	Low	Yes
Vere et al[14]	Unclear	No	High	Low	Yes	Low	No
Trifan et al[15]	Yes	Yes	Low	Low	Yes	Low	Yes
Cañadas Garrido et al[16]	Yes	Yes	Low	Low	Yes	Low	Yes
Ooka et al[17]	Yes	Yes	Low	Low	Yes	Low	Yes