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Table 2 Jaded scale

From: Effects of Zinc supplementation on serum lipids: a systematic review and meta-analysis

Study Randomised Double blind Withdrawals and drop outs Randomisationmethod described and appropriate Blinding method described and appropriate Total
Afkhami-Ardekani et al., 2008 1 0 1 0 N/A 2
Age-Related Eye Disease Study Research Group, 2002 1 1 0 0 0 2
Black et al., 1988 1 1 1 0 0 3
Bogden et al., 1988 1 1 0 1 0 3
Boukaïba et al., 1993 1 1 1 0 0 3
Brewer et al., 1991 0 0 0 0 0 0
Chevalier et al., 2002 1 1 1 0 0 3
Crouse et al., 1984 1 1 1 0 0 3
Farvid et al., 2004 1 1 1 1 0 4
Federico at al., 2001 1 0 1 0 N/A 2
Feillet-Coudray et al., 2006 1 1 1 0 0 3
Foster et al., 2013 1 1 1 1 1 5
Freeland-Graves et al., 1982 1 1 0 0 0 2
Gatto et al., 1995 1 0 1 0 N/A 2
Gunasekara et al., 2011 1 0 1 1 0 3
Hashemipour et al., 2009 1 1 1 1 0 4
Hercberg et al., 2005 1 1 1 1 1 5
Hininger-Favier et al., 2007 1 1 1 1 1 5
Hooper et al., 1980 0 0 0 0 0 0
Kadhim et al., 2006 0 1 1 N/A 0 2
Khan et al., 2013 1 0 1 0 N/A 2
Kim et al., 2012 0 0 1 0 0 1
Li et al., 2010 1 1 1 1 0 4
Partida-Hernández et al., 2006 1 1 1 0 0 3
Payahoo et al., 2013 1 1 1 1 1 5
Rahimi-Ardabili et al., 2012 1 1 0 0 0 2
RangaRao et al., 1990 0 0 1 0 0 1
Roozbeh et al., 2009 1 1 1 0 1 4
Samman et al., 1988 1 1 1 0 0 3
Seet et al., 2011 1 0 1 0 N/A 2
Shah et al., 1988 1 0 1 0 N/A 2
Thurnham et al., 1988 1 1 0 0 0 2