Key result
Blood pressure responses to dietary sodium and potassium interventions demonstrated long-term reproducibility, with a correlation coefficient of 0.37 (95% CI 0.29-0.44; P<0.0001) for systolic changes.
Why the study?
Are blood pressure responses to dietary sodium and potassium interventions reproducible over a 4.5-year period in Chinese adults?
Cohort (n=487)
Are blood pressure responses to dietary sodium and potassium interventions reproducible over a 4.5-year period in Chinese adults?
Effect estimate: Correlation coefficient 0.37 (95% CI 0.29-0.44)
p-value: p=<0.0001
Blood pressure responses to dietary sodium and potassium interventions show long-term reproducibility, suggesting stable individual salt-sensitivity characteristics.
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Supports stable salt-sensitivity phenotypes; leaves open whether sensitivity-guided therapy improves hypertension outcomes.
Gu et al. (2013) reported a cohort. Dietary sodium and potassium interventions vs. Original study responses (4.5 years prior) was evaluated on Correlation of systolic blood pressure changes from baseline to low sodium between the original and repeated studies (Correlation coefficient 0.37, 95% CI 0.29-0.44, p=<0.0001). Blood pressure responses to dietary sodium and potassium interventions demonstrated long-term reproducibility, with a correlation coefficient of 0.37 (95% CI 0.29-0.44; P<0.0001) for systolic changes.
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