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Table 3 Quality assessment of included studies using QUADAS-2 domains

From: Value of respiratory variation of aortic peak velocity in predicting children receiving mechanical ventilation: a systematic review and meta-analysis

Author/year

Risk of bias

Applicability concerns

Patient selection

Index test

Reference standard

Flow and timing

Patient selection

Index test

Reference standard

Durand 2008

☹

?

☺

☺

☺

☺

☺

Choi 2010

☺

?

☺

☺

☺

☺

☺

Renner 2011

☺

☺

☺

☺

☹

☺

☺

Pereira 2011

☺

☺

☺

☺

☺

☺

☺

Byon 2013

☺

?

☺

☺

☺

☺

☺

Lee 2014

☺

?

?

?

☺

☺

☺

Lee 2015

☺

?

?

?

☺

☺

☺

Krishna 2016

☺

?

☺

?

?

?

☺

Favia 2017

☺

?

☹

?

☺

☺

☺

Lee 2017

☺

?

☺

☺

☺

☺

☺

Morparia 2018

☺

?

☺

☺

☺

☺

☺

  1. ☺ low risk, ☹ high risk, ? unclear risk