Gestational diabetes & diabetes in pregnancy

Risk of kidney disease following a pregnancy complicated by diabetes: a longitudinal, population-based data-linkage study among Aboriginal women in the Northern Territory, Australia

DiabetologiaPublished Population-based cohort study

Authors' conclusion

Aboriginal women in the NT with GDM or pre-existing diabetes during pregnancy are at high risk of developing CKD and ESKD. Pregnancy presents an important opportunity to identify kidney disease risk. Strategies to prevent kidney disease and address the social determinants of health are needed.

Study context

Population
Aboriginal women who gave birth between 2000 and 2016 in the Northern Territory, Australia; mean age 23.1 (SD 6.1) years
Participants
10,508 women
Exposure
Gestational diabetes mellitus (GDM) or pre-existing diabetes in pregnancy vs no diabetes during pregnancy
  • GDMn = 731
  • Pre-existing diabetesn = 239
Outcome
Any stage of chronic kidney disease (CKD) and end-stage kidney disease (ESKD) (ICD-10 coding, Northern Territory (NT) Hospital Inpatient Activity dataset 2000–2018)
Follow-up
Median 12.1 years
Methodological detailslongitudinal, data-linkage
  • Longitudinal
  • Data-linkage

Main finding

As reported in the abstract

CKD
Each group vs no diabetesAdjusted hazard ratio (95% CI)
GDM
5.2(3.9–7.1)
Pre-existing diabetes
10.9(7.7–15.4)

Observational data: associations, not effects.

Further findings

OutcomeGDMPre-existing diabetesNo diabetesaHR (95% CI)
ESKDGDMvs No diabetes2.4%9.9%0.4%10.8 (5.6–20.8)
ESKDPre-existing diabetesvs No diabetes28.0 (13.4–58.6)

Original publication

Risk of kidney disease following a pregnancy complicated by diabetes: a longitudinal, population-based data-linkage study among Aboriginal women in the Northern Territory, Australia. Diabetologia. Published 18 January 2023. doi:10.1007/s00125-023-05868-w

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