Table 5 Outcomes of the assessment of the risk of bias within eligible accuracy studies

Acharya et al. 2011

N/R^a

Yes

Yes

N/R^a

N/A^b

N/R^a

N/R^a

Yes

Yes

Yes

77.55

Low

Azevedo et al. 2019

N/R^a

Yes

Yes

Yes

N/A^b

N/R^a

YES

Yes

Yes

Yes

88.77

Low

Gupta et al. 2014

N/R^a

Yes

Yes

N/R^a

N/A^b

N/R^a

N/R^a

Yes

Yes

Yes

77.55

Low

Gupta and Daniel 2016

N/R^a

Yes

Yes

N/R^a

N/A^b

N/R^a

N/R^a

Yes

Yes

Yes

77.55

Low

Iqbal et al. 2015

N/R^a

Yes

Yes

N/R^a

N/A^b

N/R^a

N/R^a

Yes

Yes

Yes

77.55

Low

Jacob et al. 2018

N/R^a

Yes

Yes

N/R^a

N/A^b

N/R^a

N/R^a

Yes

Yes

Yes

77.55

Low

Lagos et al. 2016

N/R^a

Yes

Yes

N/R^a

N/A^b

N/R^a

N/R^a

Yes

Yes

Yes

77.55

Low

Rajarathnam et al. 2016

YES

Yes

Yes

N/R^a

N/A^b

N/R^a

N/R^a

Yes

Yes

Yes

83.16

Low

Sassi et al. 2012

N/R^a

Yes

Yes

N/R^a

N/A^b

N/R^a

N/R^a

Yes

Yes

Yes

77.55

Low

Shahid et al. 2018

N/R^a

Yes

Yes

N/R^a

N/A^b

N/R^a

N/R^a

Yes

Yes

Yes

77.55

Low

Sherfudhin et al. 1996

N/R^a

Yes

Yes

N/R^a

N/A^b

N/R^a

N/R^a

Yes

Yes

Yes

77.55

Low

Silva et al. 2016

N/R^a

Yes

Yes

Yes

N/A^b

N/R^a

YES

Yes

Yes

Yes

88.77

Low

Sreedhar et al. 2015

N/R^a

Yes

Yes

N/R^a

N/A^b

N/R^a

N/R^a

Yes

Yes

Yes

77.55

Low