Heart failure & cardiomyopathies

Sex and Age Differences in the Association Between Metabolic Dysfunction-Associated Fatty Liver Disease and Heart Failure: A Prospective Cohort Study

Circ Heart FailPublished Prospective cohort study

Authors' conclusion

MAFLD greatly increased the risk of HF in women, especially young women. With increasing age, MAFLD-related risk of HF decreased and the difference between men and women disappeared.

Study context

Population
Participants of the Kailuan Study2,939 developed heart failure (HF)
Participants
96,576 participants
Exposure
Mild and significant MAFLD vs no MAFLD
Outcome
Incident HF, by sex and age
Follow-up
Median 14.0 years

Main finding

As reported in the abstract

HF, by sex and age (subgroups)
Each group vs Non-MAFLDHazard ratio (95% CI)
Significant-MAFLDwomen
1.84(1.43–2.37)
Significant-MAFLDmen
1.36(1.20–1.53)
Mild-MAFLDage <45 years
1.55(1.07–2.25)
Significant-MAFLDage <45 years
2.72(1.87–3.97)
Significant-MAFLDage >65 years
1.11(0.92–1.34)
Risk differed by sex
P for interaction < 0.05
Risk differed by age
P for interaction < 0.001
MAFLD-associated HF risk decreased with age in men
P for interaction < 0.05
MAFLD-associated HF risk decreased with age in women
P for interaction < 0.05
Sex difference only in participants <45 years
P for interaction < 0.05

Observational data: associations, not effects.

Further findings

OutcomeHR (95% CI)
HF, all participantsMild-MAFLDvs Non-MAFLDAdjusted for confounding factors1.27 (1.16–1.39)
HF, all participantsSignificant-MAFLDvs Non-MAFLDAdjusted for confounding factors1.45 (1.31–1.63)

Original publication

Sex and Age Differences in the Association Between Metabolic Dysfunction-Associated Fatty Liver Disease and Heart Failure: A Prospective Cohort Study. Circ Heart Fail. Published 13 February 2024. doi:10.1161/circheartfailure.123.010841

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