TABLE 1

Risk of Bias

Author, yOutcomeOverall Risk of Bias
Abdel-Latif et al23 2013Survival per dUnclear
Agarwal et al24 2013Survival at dischargeUnclear
Ancel et al8 2015Survival at dischargeLow
Anderson et al25 2016Survival at 1 yLow
Backes et al26 2015Survival at dischargeUnclear
Neurologic developmentHigh
Berger et al27 2012Survival at dischargeLow
Binet et al28 2012Survival at dischargeLow
Bode29 2009Survival at dischargeUnclear
Bodeau-Livinec et al30 2008Survival at dischargeLow
Boland et al31 2017Survival at 1 yUnclear
Bolisetty et al32 2015Survival at dischargeLow
Boussicault et al33 2012Survival at discharge and at 2 y follow-upLow
Chen et al34 2016Survival at dischargeLow
Crane et al35 2015Survival at dischargeUnclear
Costeloe et al36 2012Survival at dischargeLow
D’Amore et al37 2011Survival at dischargeUnclear
De Groote et al38 2007Survival at dischargeHigh
Neurologic development at 3 y of ageHigh
de Waal et al39 2012Survival at dischargeLow
Neurologic developmentUnclear
Doyle et al40 2010Survival at 2 yLow
Durães et al41 2016Survival at dischargeUnclear
Goya et al42 2015Survival at 2 yUnclear
Herber-Jonat et al43 2006Survival at dischargeLow
Hintz et al7 2011Neurologic development at 18–22 moUnclear
Hornik et al44 2016Survival at dischargeUnclear
Ishii et al5 2013Survival at 3 yLow
Itabashi et al45 2009Survival at dischargeLow
Johnson and Marlow46 2016Neurologic development at 2, 5, 6, and 11 yUnclear
Klebermass-Schrehof et al47 2013Survival at dischargeHigh
Kutz et al48 2009Survival at dischargeUnclear
Neurologic developmentHigh
Kyser et al49 2012SurvivalUnclear
Neurologic developmentHigh
Landmann et al50 2008Survival at dischargeLow
Lemyre et al51 2016Survival at dischargeLow
Malloy52 2015Survival at 1 yLow
Manuck et al53 2016Survival at dischargeUnclear
Markestad et al54 2005Survival at dischargeLow
Mehler et al6 2016Survival at dischargeUnclear
Michikata et al55 2010Survival at discharge and at 2 y of ageUnclear
Morgillo et al56 2014Survival at dischargeUnclear
Neurologic development at 18–24 moHigh
Nguyen et al57 2012Survival at dischargeUnclear
Poon et al58 2013Survival at dischargeUnclear
Neurologic development at 2.5, 5 and 8 yHigh
Rysavy et al3 2015Survival at 1.5–2 yLow
Neurologic development at 1.5–2 yHigh
Rieger-Fackeldey et al59 2005Survival at dischargeUnclear
Rocha and Guimarães60 2011Survival at dischargeUnclear
Rodrigo et al61 2015Survival at dischargeUnclear
Schlapbach et al62 2012Survival at 2 yLow
Neurologic development at 2 yUnclear
Seaton et al63 2013Survival at dischargeUnclear
Serenius et al4 2013Survival at 1 and 2.5 yLow
Neurologic development at 2.5 yUnclear
Serenius et al64 2016Survival at 6.5 yLow
Shim et al65 2015Survival at dischargeUnclear
Smith et al22 2017Survival at dischargeLow
Stensvold et al66 2017Survival at 1 yLow
Steurer et al67 2017Survival at 1 yUnclear
Stichtenoth et al68 2012Survival at dischargeLow
Stoll et al69 2015Survival at dischargeLow
Su et al70 2015Survival at dischargeUnclear
Uccella et al71 2015Survival at dischargeUnclear
Vanhaesebrouck et al72 2004Survival at dischargeLow
Veit-Sauca et al73 2008SurvivalLow
Weber et al74 2005Survival at 1 yLow
Wong et al75 2014Survival at dischargeUnclear
Neurologic development at 2–3 y of ageHigh
Younge et al76 2017Survival at 18–22 moLow
Neurologic development at 18–22 moUnclear
Zayek et al77 2011Survival at 1.5 and 2 yLow
Neurologic development at 3.5 and 5.5 yUnclear
Zeballos-Sarrato et al78 2016Survival at dischargeHigh
Zegers et al79 2016SurvivalUnclear
Zeitlin et al80 2010Survival at dischargeLow