The Study
Portfolio Dietary Pattern and Cardiovascular Disease: A Systematic Review and Meta-analysis of Controlled Trials.
This study is like a super-summary of several small experiments where people were put on a special healthy diet called the Portfolio diet. It shows that this diet really does lower bad cholesterol and other heart risk factors, because it combined results from fair tests where people were randomly assigned to diets.
Analysis score
Maximum 100 for a systematic review with meta-analysis.
Where the score came from
Eating certain plant foods like nuts, soy, oats, and special cholesterol-lowering ingredients can help lower bad cholesterol and keep your heart healthier.
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 558 / 100
Quality score
The highest quality evidence. These studies systematically search, appraise, and synthesize results from multiple individual studies, providing the most reliable summary of current knowledge.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes, these changes are meaningful and can reduce the chance of heart attacks and strokes over time.
- 2The special diet lowered bad cholesterol by 17%, reduced heart disease risk by 1.3% over 10 years, and helped blood pressure and inflammation too.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Progress in cardiovascular diseases
Year
2018
Authors
L. Chiavaroli, S. Nishi, T. Khan, C. Braunstein, Andrea J. Glenn, S. B. Mejia, D. Rahelić, H. Kahleová, J. Salas‐Salvadó, D. Jenkins, C. Kendall, J. Sievenpiper
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.