1. Main studies characteristics.
Study | Population | Index test |
Reference standard(s) |
|||||
Antenatal diagnosis of CHD |
Pulse oximeter |
Limb |
Test timing |
Oxygen saturation |
Threshold |
Positive pulse oximetry |
Negative pulse oximetry |
|
Arlettaz 2006 | included | Nellcor NPB‐40 | post‐ductal | within 24 hours | functional | < 95% | echocardiography | NA |
Bakr 2005 | excluded | Digioxi PO 920 | pre‐ductal and post‐ductal | longer than 24 hours | fractional | ≤ 94% | echocardiography | cardiology database |
Bhola 2014 | included | Masimo Radical 5 | post‐ductal | longer than 24 hours | functional | < 95% | echocardiography | cardiology database |
De‐Wahl 2009 | excluded | Radical SET v4 | pre‐ductal and post‐ductal | longer than 24 hours | functional | < 95% | echocardiography | mortality data |
Ewer 2011 | included | Radical‐7 | pre‐ductal and post‐ductal | within 24 hours | functional | < 95% | echocardiography | clinical follow‐up, cardiology database & congenital registry |
Gomez‐Rodriguez 2015 | excluded | Radical‐5 | post‐ductal | within 24 hours | functional | < 95% | echocardiography | clinical follow‐up |
Jones 2016 | excluded | NA | pre‐ductal and post‐ductal | within 24 hours | NA | ≤ 95% | echocardiography | National Congenital Heart Disease Audit |
Klausner 2017 | excluded | NA | pre‐ductal and post‐ductal | longer than 24 hours | NA | < 95% | echocardiography | clinical follow‐up |
Koppel 2003 | excluded | Ohmeda Medical | post‐ductal | longer than 24 hours | functional | ≤ 95% | echocardiography | clinical follow‐up & congenital registry |
Meberg 2008 | excluded | RAD‐5v | post‐ductal | within 24 hours | functional | < 95% | echocardiography | clinical follow‐up |
Oakley 2015 | excluded | Nellcor NPB 40 | post‐ductal | longer than 24 hours | functional | < 95% | echocardiography | cardiology database & mortality data |
Ozalkaya 2016 | excluded | Nellcor | pre‐ductal and post‐ductal | longer than 24 hours | functional | ≤ 95% | echocardiography | echocardiography |
Richmond 2002 | included | Oxi machine | post‐ductal | within 24 hours | fractional | < 95% | echocardiography | mortality data & congenital registry |
Riede 2010 | excluded | NA | post‐ductal | longer than 24 hours | functional | ≤ 95% | echocardiography | congenital registry |
Rosati 2005 | excluded | NA | post‐ductal | longer than 24 hours | functional | ≤ 95% | echocardiography | clinical follow‐up |
Sendelbach 2008 | excluded | Nellcor N‐395 | post‐ductal | within 24 hours | functional | < 96% | echocardiography | clinical follow‐up |
Singh 2014 | excluded | NA | pre‐ductal and post‐ductal | within 24 hours | functional | < 95% | echocardiography | mortality data & congenital registry & cardiology database |
Turska 2012 | excluded | Novametrix, Nellcor & Masimo |
post‐ductal | within 24 hours | functional | < 95% | echocardiography | clinical follow‐up and Public Health registries |
Van Niekerk 2016 | excluded | Nellcor | pre‐ductal and post‐ductal | longer than 24 hours | functional | < 95% | echocardiography | NA |
Zhao 2014 | excluded | RAD‐5V | pre‐ductal and post‐ductal | longer than 24 hours | functional | < 95% | echocardiography | clinical follow‐up |
Zuppa 2015 | excluded | Ohmeda 3900 | post‐ductal | longer than 24 hours | functional | < 95% | echocardiography | NA |
NA: not available |