Hypertension

Association between folate deficiency and hypertension: evidence from an observational and Mendelian randomization study

Eur J Prev CardiolPublished Cross-sectional and prospective cohort study with Mendelian randomization

Main finding · Incident hypertensionResult — go to the resultHazard ratio 1.42 95% CI 1.24–1.63

Authors' conclusion

Observational and genetically determined folate deficiency were associated with hypertension, suggesting that folate deficiency might be a causal risk factor for hypertension.

Study context

Population
UK Biobank participants free of hypertension at enrolmentup to
Participants
219,089 participants
Exposure
Folate deficiency vs no folate deficiency
Outcome
Hypertension prevalence and incidence
Follow-up
Median 12.8 years
Methodological detailsone-sample Mendelian randomization (MR), two-sample MR, UK Biobank
  • One-sample MR
  • Two-sample MR
  • UK Biobank

Main finding

Incident hypertension · median 12.8 years

Hazard ratio

1.42

95% CI 1.24–1.63

Folate deficiencyvs No folate deficiency
HR 1.42 (95% CI 1.24–1.63)

As reported in the abstract

Participants who developed hypertension
17 670

Observational data: associations, not effects.

Further findings

Hypertension, one-sample MR (highest quantile)

OR (95% CI)P value
Highest quantile1.07 (1.04–1.10)P for trend < 0.001
Outcomeβ (95% CI)
Higher serum folate on SBP, DBP and hypertension, two-sample MRHigher serum folate · SBP−2.313 (−3.532 to −1.094)
Higher serum folate on SBP, DBP and hypertension, two-sample MRHigher serum folate · DBP−1.648 (−3.085 to −0.211)
Higher serum folate on SBP, DBP and hypertension, two-sample MRHigher serum folate · hypertension−0.049 (−0.069 to −0.029)

Original publication

Association between folate deficiency and hypertension: evidence from an observational and Mendelian randomization study. Eur J Prev Cardiol. Published 26 November 2024. doi:10.1093/eurjpc/zwae386

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