Diabetes complications

The associations between functional vitamin K status and all‐cause mortality, cardiovascular disease and end‐stage kidney disease in persons with type 1 diabetes

Diabetes Obes MetabPublished Cohort study

Authors' conclusion

In persons with type 1 diabetes, lower vitamin K status was associated with higher mortality, CVD and progression to ESKD, however, not after adjustment for other risk factors. Interventional studies are needed to elucidate the role of vitamin K in persons with type 1 diabetes.

Study context

Population
Persons with T1D; stored baseline samples (baseline visit 2009–2011)
Participants
667 persons
Exposure
Per doubling of plasma dephosphorylated-uncarboxylated matrix Gla protein (dp-ucMGP)
Outcome
All-cause mortality per one doubling of dp-ucMGP

Main finding

As reported in the abstract

All-cause mortality per doubling of dp-ucMGP

Deaths during follow-up

53

HR, unadjusted model

2.06

95% CI 1.22–3.45

HR, fully adjusted model

0.88

95% CI 0.44–1.73

Observational data: associations, not effects.

Further findings

Incident cardiovascular disease (CVD) per doubling of dp-ucMGP

HR, unadjusted model
1.58 (95% CI 1.03-2.42)
Fully adjusted model: HR statistically insignificant

End-stage kidney disease (ESKD) per doubling of dp-ucMGP

HR, unadjusted model
7.62 (95% CI 4.25-13.68)
Fully adjusted model: HR statistically insignificant

Original publication

The associations between functional vitamin K status and all‐cause mortality, cardiovascular disease and end‐stage kidney disease in persons with type 1 diabetes. Diabetes Obes Metab. Published 21 October 2024. doi:10.1111/dom.16025

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