Table 1 The results of QUADAS-2 in included studies.

From: Comparison of transoral robotic surgery with other surgeries for obstructive sleep apnea

Author (year)

Risk of bias

Applicability concerns

Patient selection

Index test

Reference standard

Flow and timing

Patient selection

Index test

Reference standard

Hwang (2019)11

?

Babademez (2019)12

?

Lan (2019)13

?

Huntley (2019)14

?

Yu (2019)15

?

Aynacı (2018)16

?

Karaman (2017)4

?

Folk (2017)17

?

  1. , low risk; , high risk, ?, unclear risk.
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