The Study
Effects of a diet high in plant sterols, vegetable proteins, and viscous fibers (dietary portfolio) on circulating sterol levels and red cell fragility in hypercholesterolemic subjects
This study watched a group of people before and after they ate a special diet, but it didn’t compare them to another group that didn’t change their diet. That means we can say things changed, but we can’t be sure the diet was the reason—other things might have caused the changes.
Analysis score
Maximum 44 for a cross-sectional study.
Where the score came from
Adults with high cholesterol ate a special diet with plant foods like nuts, soy, and fiber for one month. Scientists checked their blood to see how cholesterol and blood cells changed.
Where does this study sit?
Systematic Reviews & Meta-analyses
Max 100Randomized Trials
Max 90Cohort Studies
Max 72Case-Control
Max 58Cross-Sectional
Max 44Case Reports & Series
Max 30Expert Opinion
Max 538 / 100
Quality score
Detailed descriptions of individual patients or small groups. Valuable for identifying new conditions or side effects, but cannot establish generalizable conclusions.
Key takeaways
Summary
Based on the study abstract and findings.
- 1The diet helped lower bad cholesterol without harming red blood cells, which is good for heart health.
- 2LDL cholesterol went down by 29%.
- 3Plant sterols in blood went up (campesterol +50%, β-sitosterol +27%), but not enough to be sure it wasn’t by chance.
- 4Blood cells did not get weaker.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Lipids
Year
2005
Authors
Peter Jones, M. Raeini-Sarjaz, D. Jenkins, C. Kendall, E. Vidgen, E. Trautwein, K. Lapsley, A. Marchie, S. Cunnane, P. Connelly
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.