All-cause mortality, cardiovascular mortality, major cardiovascular events and hypoglycaemia of patients with diabetes onset at an older age: results from the 10-year nationwide cohort study

Ming Yueh Chou, Shih Tsung Huang, Chih Kuang Liang, Li-Ning Peng, Yu Te Lin, Fei Yuan Hsiao, Liang Kung Chen

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7 Scopus citations

Abstract

BACKGROUND: Longitudinal adverse outcomes are unclear among adults with diabetes according to the age of onset. OBJECTIVE: To investigate the longitudinal diabetes-related outcomes in adults with new-onset diabetes stratified by age. DESIGN: Retrospective cohort study. SETTING: Taiwan National Health Insurance Research Database claims data from 2000 to 2015. SUBJECTS: In total, 115,751 participants aged ≥40 years with new-onset diabetes in 2003 were recruited and stratified by the ages 40-64 (64.3%), 65-74 (21.2%), 75-84 (11.8%) and ≥85 years (2.7%) at the time of diagnosis. METHODS: Time-varying multivariate Cox proportional hazards model adjusted for covariates was used to examine the associations between the ages of the patients at diabetes onset and the outcomes of interest [all-cause mortality, cardiovascular (CV) mortality, major cardiovascular events (MACE) and hypoglycaemia] during a 10-year follow-up period. RESULTS: The results showed that compared with those patients aged 40-64 at diagnosis, patients with older-onset diabetes had significantly higher comorbidities (P < 0.01) and a higher diabetes severity (P < 0.01). Patients with older-onset diabetes had a higher risk of all-cause mortality [adjusted hazard ratio (aHR) 2.28, 4.48 and 10.07 in 65-74, 75-84 and ≥85 years old, respectively], CV mortality (aHR = 2.82, 6.06 and 15.91), MACE (aHR = 2.19, 3.01 and 4.15) and hypoglycaemia (aHR = 2.41, 3.59 and 4.62) than patients aged 40-64 during a 10-year follow-up period. CONCLUSIONS: Patients with diabetes onset at an older age was associated with increased risks of all-cause mortality, CV mortality, MACE and hypoglycaemia after adjusting for the severity of diabetes and anti-diabetic treatment.

Original languageEnglish
Pages (from-to)2094-2104
Number of pages11
JournalAge and Ageing
Volume50
Issue number6
DOIs
StatePublished - 10 Nov 2021

Keywords

  • diabetes
  • hypoglycaemia
  • mortality
  • National Health Insurance Research Database (NHIRD)
  • older age
  • older people

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