Catheter ablation for atrial fibrillation in heart failure with reduced ejection fraction: a systematic review and meta-analysis of randomized controlled trials

Table 2 Risk of publication bias

Study (year)	Random sequence generation	Allocation concealment	Blinding of participants and personnel	Blinding of outcome assessment	Incomplete outcome data	Selective reporting	Other sources of bias
Khan (2008)[31]	+	?	–	+	+	+	+
Macdonald (2010)[32]	+	+	–	+	+	+	+
Jones (2013)[30]	+	?	–	+	+	+	+
Hunter (2014)[29]	+	+	–	+	+	+	+
Di Biase (2016)[28]	+	?	–	+	+	+	+
Prabhu et al. 2017[34]	+	?	–	+	+	+	+
Marrouche (2018)[33]	+	?	–	–	+	+	+

ISSN: 1471-2261