Study	Reason for exclusion
Andrews 2014	Study includes only information about positive results. Investigators did not follow infants who passed the screen once they left the hospital.
Ewer 2012a	Health Technology Assessment report on already included study
Hoke 2002	Case‐control design
John 2016	Study includes only information about positive results.
Kardasevic 2016	Different population (not asymptomatic newborns)
Kochilas 2013	Different outcome (not accuracy)
Lhost 2014	Out‐of‐hospital births
Meberg 2009	Different outcome (not accuracy)
Movahedian 2016	Study includes only information about positive results.
Narayen 2016a	Out‐of‐hospital births
Prudhoe 2013	Study did not include enough information for construction of a 2 × 2 table. Study includes data contained in Richmond 2002 (study included).
Reich 2003	Study provides a partial 2 × 2 diagnostic table from which estimation of sensitivity was not possible.
Reich 2008	Different outcome (not accuracy)
Reich 2008a	Different outcome (not accuracy)
Riede 2009	Preliminary study
Ruangritnamchai 2007	Study includes only information about positive results.
Saha 2014	Journal club
Saxena 2015	Different population (not asymptomatic newborns)
Schena 2017	Different index test (combined pulse oximetry and perfusion index)
Studer 2014	Different outcome (not accuracy)
Taksande 2013	Study includes only information about positive results. Definition of test positive was not given.
Tautz 2010	No ability to determine CCHD outcomes
Tsao 2016	Study includes only information about positive results.
Vaidyanathan 2011	Study provides a partial 2 × 2 diagnostic table. No ability to determine CCHD outcomes
Valmari 2006	Case report
Walsh 2011	Different outcome (not accuracy)

CCHD: critical congenital heart defect.