Dietary Unclear Not Not 7% intake Banuls 2011 ? method of ? high Not blinded ? low ? low described described attrition data not randomisation reported Expected Baumgartner Not Not 9% low ? low ? low low low outcomes 2013 described described attrition sequence reported Expected Buyuktuncer Randomisation Not Double- Not Not Low ? low ? ? low outcomes low 2013 list in blocks described blind described described reported Investigators Unclear Expected Not blinded until 4% Chen 2009 ? method of ? low low low low outcomes low described after attrition randomisation reported analysis Expected Opaque 1% Dulalia 2011 low low low low Blinded low low outcomes low envelopes attrition sequence reported Participants Unclear Expected Gagliardi Not but not 29% ? method of ? low high Not blinded high low outcomes low 2010 described personnel attrition randomisation reported blinded Participants No control Unclear Expected Goncalves Not but not Not Not group for ? method of ? low ? ? low outcomes high 2007 described personnel described reported healthy randomisation reported blinded subjects Frequency Expected Not Not 5% Gylling 2009 low ? low ? low low low matched for outcomes described described attrition gender reported Expected Not 2% Gylling 2013 low ? low low low low low Blinded outcomes described attrition sequence reported Performed by Expected Hallikainen Not Not 8% low independent ? low ? low low outcomes low 2013 described described attrition statistician reported Unclear Dietary Not Not ? method of ? high Not blinded ? low no attrition ? intake low 2011 described described randomisation data not
Banuls 2011 ? Unclear method of randomisation ? Not described high Not blinded ? Not described low 7% attrition ? Dietary intake data not reported low Baumgartner 2013 low sequence ? Not described low ? Not described low 9% attrition low Expected outcomes reported low Buyuktuncer 2013 Low Randomisation list in blocks ? Not described low ? Not described ? Not described low Expected outcomes reported low Chen 2009 ? Unclear method of randomisation ? Not described low Double- blind low Investigators blinded until after analysis low 4% attrition low Expected outcomes reported low Dulalia 2011 low sequence low Opaque envelopes low low Blinded low 1% attrition low Expected outcomes reported low Gagliardi 2010 ? Unclear method of randomisation ? Not described low Participants but not personnel blinded high Not blinded high 29% attrition low Expected outcomes reported low Goncalves 2007 ? Unclear method of randomisation ? Not described low Participants but not personnel blinded ? Not described ? Not reported low Expected outcomes reported high No control group for healthy subjects Gylling 2009 low Frequency matched for gender ? Not described low ? Not described low 5% attrition low Expected outcomes reported low Gylling 2013 low sequence ? Not described low low Blinded low 2% attrition low Expected outcomes reported low Hallikainen 2013 low Performed by independent statistician ? Not described low ? Not described low 8% attrition low Expected outcomes reported low 2011 ? Unclear method of randomisation ? Not described high Not blinded ? Not described low no attrition ? Dietary intake data not low
Systematic%20review%20phytosterols%20and%20cholesterol.docx