The Study
Rationale, design, and baseline characteristics of the Salt Substitute and Stroke Study (SSaSS)-A large-scale cluster randomized controlled trial.
This study is like a big experiment where some villages got special salt and others kept using their normal salt. After a few years, they checked who had strokes. Because they randomly picked which villages got the special salt, we can guess that the salt might have caused fewer strokes — but we’re not 100% sure because we didn’t see the full details.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
Scientists gave older people with high blood pressure or past strokes a special salt with less sodium and more potassium, and saw if it helped them avoid strokes and heart problems.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 556 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — a 13% drop in stroke risk could prevent thousands of strokes in older adults.
- 2Study had 20,996 participants, average age 65, 73% had prior stroke.
- 3Designed to detect 13% or greater reduction in stroke risk.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
American heart journal
Year
2017
Authors
B. Neal, M. Tian, Nicole Li, P. Elliott, Lijing L. Yan, D. Labarthe, Liping Huang, Xuejun Yin, Z. Hao, S. Stepien, Jingpu Shi, Xiangxian Feng, Jianxin Zhang, Yuhong Zhang, Ruijuan Zhang, Yangfeng Wu
Related Content
Claims (4)
If you swap regular table salt for a salt substitute that has more potassium, it might lower your chance of having a stroke by about 14%.
If you're 65 or older and have had a stroke or high blood pressure, switching to a special salt that has less sodium and more potassium might help lower your chances of having another stroke.
If you're over 65 and have had a stroke or high blood pressure, switching to a special salt that has less sodium and more potassium might help lower your chances of having another heart attack or stroke.
If older adults who’ve had a stroke or have high blood pressure switch from normal salt to a special salt with less sodium and more potassium, they might live longer.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.