Karmally ? Block ? Not described high Unclear, but ? Not stated low 4% low Expected low 2005 randomisation, obvious attrition outcomes method unclear differences reported in foods Kashtan 1992 ? Method not ? Not described low Double ? Not stated low 11% low Expected low stated blind attrition outcomes reported Keogh 2003 ? Method not ? Not described low Participants ? Not stated low no attrition low Expected low stated blinded outcomes reported Kerckhoffs ? Stratified by ? Not described high Not blinded high Not blinded low 6% low Expected low gender and attrition outcomes 2003 age, method reported unclear Kestin 1990 ? Method not ? Not described low Double ? Not stated low 14% low Expected low stated although blind attrition outcomes design grid reported Leadbetter ? Latin square ? Not described high Not blinded ? Not stated low 5% low Expected low withdrew, outcomes 1991 but were reported replaced Lepre 1992 ? Method not ? Not described low Double ? Not stated low 19% low Expected low stated blind attrition outcomes reported Li 2003 ? Method not ? Not described high Not blinded ? Not stated low No attrition low Expected low stated outcomes reported Lupton 1994 ? Method not ? Not described high Not stated, ? Not stated low No attrition low Expected low stated but one outcomes stratum reported involved capsule so unlikely Ma 2013 low Used a random low Technicians unclear Not low Technicians low Low low Expected low number and described and attrition outcomes generator statisticians but due to statisticians (5%) reported were blind nature of were blind intervention, unlikely
Karmally 2005 ? Block randomisation, method unclear ? Not described high Unclear, but obvious differences in foods ? Not stated low 4% attrition low Expected outcomes reported low Kashtan 1992 ? Method not stated ? Not described low Double blind ? Not stated low 11% attrition low Expected outcomes reported low Keogh 2003 ? Method not stated ? Not described low Participants blinded ? Not stated low no attrition low Expected outcomes reported low Kerckhoffs 2003 ? Stratified by gender and age, method unclear ? Not described high Not blinded high Not blinded low 6% attrition low Expected outcomes reported low Kestin 1990 ? Method not stated although design grid ? Not described low Double blind ? Not stated low 14% attrition low Expected outcomes reported low Leadbetter 1991 ? Latin square ? Not described high Not blinded ? Not stated low 5% withdrew, but were replaced low Expected outcomes reported low Lepre 1992 ? Method not stated ? Not described low Double blind ? Not stated low 19% attrition low Expected outcomes reported low Li 2003 ? Method not stated ? Not described high Not blinded ? Not stated low No attrition low Expected outcomes reported low Lupton 1994 ? Method not stated ? Not described high Not stated, but one stratum involved capsule so unlikely ? Not stated low No attrition low Expected outcomes reported low Ma 2013 low Used a random number generator low Technicians and statisticians were blind unclear Not described but due to nature of intervention, unlikely low Technicians and statisticians were blind low Low attrition (5%) low Expected outcomes reported low
SR%20beta-glucan%20cholesterol%20-%20Master%20version.docx