C-Section: Critical appraisal of systematic reviews

AMSTAR criteria	Fusco 2014	Hofmeyr 2008	Bamigboye 2009	Bonnet 2010	Afolabi 2012	Ng 2004	Dodd 2008	Mathai 2013	Bamigboye 2003	Mackeen 2012
a priori design	O	+	+	O	+	+	+	+	+	+
duplicate study selection and extraction	+	+	+	O	+	+	+	+	+	+
literature search comprehensive	+	+	+	+	+	O	–	–	–	–
status of publication used as criteria	+	+	+	+	+	+	+	+	+	+
excluded/ included list provided	–	+	+	+	+	+	+	+	+	+
study characteristics provided	+	+	+	+	+	+	+	+	+	+
quality assessed/ presented	+	+	+	+	+	+	+	+	+	+
quality impacted conclusions	+	+	+	+	+	+	+	+	+	+
heterogeneity tested before combining	n/a	+	+	+	+	O	+	+	+	+
publication bias assessed	n/a	–	–	–	–	–	–	–	–	–
conflict stated	–	+	+	+	+	+	+	+	+	+

“+” = yes (clearly done); “-“ = no
(clearly not done); “o” = can’t answer, “n/a” = not applicable