Sex-specific Lifetime Risk of Cardiovascular Events. The EPIC-Norfolk Prospective Population Cohort Study

Tiberiu Pana* (Corresponding Author), Mamas A Mamas, Nicholas J. Wareham, Kay-Tee Khaw, Dana Dawson, Phyo Kyaw Myint

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
2 Downloads (Pure)

Abstract

Background and Aims. Better understanding of sex differences in cardiovascular disease (CVD) is essential in tailoring appropriate preventative strategies. Using a large population-based study with follow-up >25 years, we aimed to determine sex5 specific lifetime risks of incident CVD and cardiovascular mortality amongst populations with and without prevalent CVD.

Methods. Participants were drawn from the European Prospective Investigation into Cancer (EPIC)-Norfolk and followed up for a median of 26.2 years. Sex-specific lifetime risks were ascertained accounting for the competing risk of death. Models were adjusted for ethnicity and time-updated covariates: material deprivation, cardiovascular risks, lifestyle factors, comorbidities and medication.

Results. 23,859 participants (54.5% women; mean age (standard deviation) 59.2 13 (9.3) years at baseline) were included. Adjusted lifetime risks of incident CVD were higher in men than in women (69.1% versus 57.7% at age 75): cause-specific hazard ratio (cHR) (99% confidence interval) - 1.49(1.41-1.57), while the risks of cardiovascular mortality at age 75 were 4.4% (M) and 3.1% (F): cHR-1.42(1.31-17 1.54). Myocardial infarction (MI) was the predominant first presentation in men until the 8th decade. In women, the first CVD manifestations after their 6th 18 decade were predominantly atrial fibrillation (AF) and stroke. The male-associated excess relative risks of incident CVD and cardiovascular mortality were halved in people with prevalent CVD.

Conclusions. We characterised the sex-specific lifetime cardiovascular risks in a large cohort. Men had substantially higher risk of incident CVD and CV mortality than women, which was attenuated amongst people with prevalent CVD. Our findings provide an evidence base for sex-specific cardiovascular prevention.
Original languageEnglish
Article numberzwad283
Pages (from-to)230-241
Number of pages12
JournalEuropean Journal of Preventive Cardiology
Volume31
Issue number2
Early online date30 Nov 2023
DOIs
Publication statusPublished - 1 Jan 2024

Bibliographical note

Open Access via the OUP Agreement

ACKNOWLEDGEMENTS
We are grateful to all the participants who have been part of the project and to the many members of the study teams at the University of Cambridge who have enabled this research. We would like to acknowledge the principal investigators and staff of the EPIC-Norfolk study. We would also like to thank Dr Graham Horgan, PhD (Principal Consultant for Human Health and Nutrition, Biomathematics & Statistics Scotland) for his help and support with the statistical analyses.
FUNDING
The EPIC-Norfolk study (DOI 10.22025/2019.10.105.00004) has received funding from the Medical Research Council (MR/N003284/1 and MC-UU_12015/1) and Cancer Research UK (C864/A14136).

Data Availability Statement

The data underlying this study are available from the EPIC-Norfolk Steering Committee upon reasonable request to the authors. The Stata code used to perform the analyses has been supplied as Supplementary material online (see Supplementary material online, File S1).

Keywords

  • Cardiovascular disease
  • cardiovascular mortality
  • sex differences
  • myocardial infarction
  • stroke
  • heart failure
  • atrial fibrillation
  • peripheral artery disease

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