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Table 2 Quality of articles using the QUADAS tool

From: Diagnostic performance of confocal laser endomicroscopy for optical diagnosis of gastric intestinal metaplasia: a meta-analysis

Study

Risk of bias

Applicability Concerns

Patient selection

Index test

Reference standard

Flow and timing

Patient selection

Index test

Reference standard

Guo etal [27] (2008)

L

L

L

L

L

L

L

Zhen etal [29] (2014)

L

L

L

L

L

L

L

Rapat etal [20] (2013)

H

L

L

L

H

L

L

Lim etal [19] (2013)

L

L

L

L

L

L

L

  1. L low risk; H high risk; U nuclear risk