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Updated: Oct 29, 2025

Assessment of Vascular Function in Patients With Chronic Kidney Disease
Published on: June 16, 2014
Relationship between sex and cardiovascular mortality in chronic kidney disease: A systematic review and
Sultana Shajahan1,2, Janaki Amin2, Jacqueline K Phillips1
1Department of Biomedical Science, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia.
Insights
Men with chronic kidney disease (CKD) face a slightly higher risk of cardiovascular death compared to women. This study analyzed data from 48 studies, emphasizing the need for risk awareness in both sexes.
Area of Science:
- Nephrology
- Cardiology
- Epidemiology
Background:
- Chronic kidney disease (CKD) is a major health issue linked to increased cardiovascular mortality.
- Historically, men have had higher cardiovascular mortality than women in the general population.
- Emerging evidence suggests similar or higher cardiovascular risk in women with CKD.
Purpose of the Study:
- To systematically review and meta-analyze existing literature on sex differences in cardiovascular mortality among CKD patients.
- To clarify inconsistent findings regarding cardiovascular mortality risk between men and women with CKD.
Main Methods:
- A systematic review and meta-analysis of studies published from January 2004 to October 2020.
- Searches conducted across PubMed/Medline, EMBASE, Scopus, and Cochrane databases.
- Inclusion of 48 studies reporting cardiovascular mortality risk estimates (RE) with 95% confidence intervals (CI) for adult men versus women with CKD.
Main Results:
- Meta-analysis revealed that male sex is associated with elevated cardiovascular mortality in CKD patients (RE 1.13, CI 1.03-1.25).
- Subgroup analyses indicated higher risk in men in studies from the USA and in both haemodialysis and non-dialysis-dependent CKD populations.
- The overall increased risk for men was marginal, highlighting the need for risk awareness in both sexes.
Conclusions:
- While men with CKD exhibit a slightly higher cardiovascular mortality risk, the difference is marginal.
- Both men and women with CKD require appropriate cardiovascular risk awareness and management.
- Further research is warranted to explore how treatment modality and geographic factors influence sex-based differences in CKD cardiovascular mortality.
Abstract:
Chronic kidney disease (CKD) is a significant health challenge associated with high cardiovascular mortality risk. Historically, cardiovascular mortality risk has been found to higher in men than women in the general population. However, recent research has highlighted that this risk may be similar or even higher in women than men in the CKD population. To address the inconclusive and inconsistent evidence regarding this relationship between sex and cardiovascular mortality within CKD patients, a systematic review and meta-analysis of articles published between January 2004 and October 2020 using PubMed/Medline, EMBASE, Scopus and Cochrane databases was performed. Forty-eight studies were included that reported cardiovascular mortality among adult men relative to women with 95% confidence intervals (CI) or provided sufficient data to calculate risk estimates (RE). Random effects meta-analysis of reported and calculated estimates revealed that male sex was associated with elevated cardiovascular mortality in CKD patients (RE 1.13, CI 1.03-1.25). Subsequent subgroup analyses indicated higher risk in men in studies based in the USA and in men receiving haemodialysis or with non-dialysis-dependent CKD. Though men showed overall higher cardiovascular mortality risk than women, the increased risk was marginal, and appropriate risk awareness is necessary for both sexes with CKD. Further research is needed to understand the impact of treatment modality and geographical distribution on sex differences in cardiovascular mortality in CKD.
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