Type 1 diabetes

All-Cause Mortality and Cardiovascular and Microvascular Diseases in Latent Autoimmune Diabetes in Adults

Diabetes CarePublished Population-based cohort study

Authors' conclusion

Despite having fewer metabolic risk factors than type 2 diabetes, LADA has equal to higher risks of death, CVD, and retinopathy. Poorer glycemic control, particularly in LADAhigh, highlights the need for improved LADA management.

Study context

Population
Swedish adults with newly diagnosed diabetes (latent autoimmune diabetes in adults (LADA), T2D, adult-onset T1D) and controls without diabetes, 2007–2019
Participants
550 / 2,001 / 1,573 / 2,355
Exposure
LADA vs T2D, adult-onset T1D and controls without diabetes
  • LADAn = 550
  • Type 2 diabetesn = 2,001
  • Adult-onset type 1 diabetesn = 1,573
  • Controln = 2,355reference
Outcome
All-cause mortality
Methodological detailsregister linkage
  • Register linkage

Main finding

As reported in the abstract

Each group vs controlHazard ratio (95% CI)
LADA
1.44(1.03–2.02)
Adult-onset type 1 diabetes
2.31(1.75–3.05)
Type 2 diabetes
1.31(1.03–1.67)

Observational data: associations, not effects.

Further findings

OutcomeHR (95% CI)
CVD incidenceLADAhighvs Control1.67 (1.04–2.69)
CVD incidenceType 2 diabetesvs Control1.53 (1.17–2.00)
Retinopathy incidenceLADAvs Type 2 diabetes2.25 (1.64–3.09)
  • Retinopathy incidence: higher in both LADAhigh and LADAlow; unavailable in type 1 diabetes

CVD incidence

CVD incidence not elevated in LADAlow or type 1 diabetes

Retinopathy incidence

Nephropathy incidence not higher in LADA than type 2 diabetes

Clinical characteristics · baseline and throughout follow-up

More favorable blood pressure and lipid profiles but higher HbA1c in LADA than T2D, especially in LADAhigh, which resembled T1D

Original publication

All-Cause Mortality and Cardiovascular and Microvascular Diseases in Latent Autoimmune Diabetes in Adults. Diabetes Care. Published 28 August 2023. doi:10.2337/dc23-0739

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