Table 2

Summary of methodological quality assessed with the QUADAS-222

First  author’s  name and  year of publicationQUADAS-2: patient selectionQUADAS-2: index testQUADAS-2: reference standardQUADAS-2: flow and timing
Could the selection of patients have introduced bias?Could the conduct or interpretation of the index test have introduced bias?Could the reference standard, its conduct, or its interpretation have introduced bias?Could the patient flow have introduced bias?
Arora et al 21 2014YesYesYesYes
Arora et al 11 2015YesYesNoYes
Chadwick et al 12 2014YesYesNoYes
Kostikis et al 13 2015YesYesNoYes
Lagido et al 14 2014YesYesYesYes
Maier et al 15 2015YesYesNoYes
Ramlakhan et al 16 2011YesYesYesYes
Takuya et al 20 2015YesYesYesYes
Wadhawan et al 18 2011YesYesNoYes
Wadhawan et al 18 2011YesYesYesYes
Wolf et al 19 2013YesYesYesYes
  • QUADAS, Quality Assessment of Diagnostic Accuracy Studies.