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Table 3 Methodological assessment of included studies using the Quality Assessment of Diagnostic Accuracy Studies (QUADAS-2) Checklist

From: Measurement tools for the diagnosis of nasal septal deviation: a systematic review

Study Risk of bias Applicability concerns
  Patient Index Reference Flow and Patient Index test Reference
  selection test standard timing selection   standard
Choi et al [14] LR HR LR HR U LR LR
Mamikoglu et al [31] LR HR LR HR U U LR
Tahamiler et al [32] LR HR LR HR LR LR LR
Tahamiler et al [33] LR HR LR HR LR LR LR
Huygen et al [34] LR HR LR HR LR U LR
Szucs et al [13] LR HR LR LR LR LR LR
Huang et al [35] U HR LR HR U LR LR
Sedaghat et al [36] LR LR U HR LR LR LR
  1. LR = Low risk, HR = High risk, U = Unclear risk.