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Q In elderly men, does long term use of potassium enriched salt in the diet reduce cardiovascular death?
Clinical impact ratings GP/FP/Primary care ★★★★★☆☆ IM/Ambulatory care ★★★★★★☆ Geriatrics ★★★★★★☆ Public health ★★★★★★☆
METHODS
Design:
cluster randomised controlled trial.
Allocation:
unclear allocation concealment.*
Blinding:
blinded (participants).*
Follow up period:
mean 31 months.
Setting:
5 kitchens in a veteran retirement home in northern Taiwan, China.
Patients:
1981 elderly men 40 to ⩾80 years of age (mean age 75 y) were included in the analysis. Participants with serum creatinine concentrations ⩾3.5 mg/dl were excluded.
Intervention:
2 kitchens (n = 768) were allocated to gradually increasing concentrations of potassium enriched salt (49% sodium …
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