Systematic Review
Copyright ©The Author(s) 2019.
World J Clin Cases. Jan 26, 2019; 7(2): 156-170
Published online Jan 26, 2019. doi: 10.12998/wjcc.v7.i2.156
Table 7 Risk of bias in randomized controlled trials
Ref.Random sequence generation (selection bias)Allocation concealment (Selection bias)Blinding of participants and personnel’s (performance bias)Blinding of outcome assessment (detection bias)Incomplete outcome data (Attrition bias)Selective Reporting (Reporting bias)Other bias
Marchesini et al[29], 2003+----??
Nakaya et al[31], 2007+----??
Les et al[32], 2011++??-??
Sorrentino et al[33], 2012+?----?
Dupont et al[34], 2012+?--???
Maharshi et al[35], 2016++--+??
Ruiz-Margain et al[36], 2017+?--?-?
Zenith et al[39], 2014++---??
Roman et al[41], 2016++---??
Kruger et al[43], 2018++---??
Roman et al[44], 2014+?---??
Macias-Rodriguez et al[42], 2016++---??
Sinclair et al[52], 2016++??-??