Association of new-onset diabetes mellitus in older people and mortality in Taiwan: A 10-year nationwide population-based study

Mei-Ju Chi, C. K. Liang, W. J. Lee, Li Ning Peng, Ming Yueh Chou, Liang Kung Chen

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Objective: Older patients with diabetes mellitus are at a higher risk of developing diabetic macro- and micro-vascular complications and cardiovascular diseases than younger diabetes mellitus patients. However, older diabetes mellitus patients are very heterogeneous in their clinical characteristics, diabetes mellitus-related complications and age at disease onset. This study aimed to evaluate the all-cause mortality rates and adverse health outcomes among older adults with new-onset diabetes mellitus through a nationwide population-based study. Design: A retrospective cohort study. Setting: 2001-2011 data of the National Health Insurance database. Population: Nationally representative sample of Taiwanese adults aged 65 years and older with propensity scorematched controls. Main outcome measures: All-cause mortality and adverse health outcomes. Results: During the study period, 45.3% of patients in the diabetes mellitus cohort and 38.8% in the non-diabetes mellitus cohort died. The adjusted relative risk for mortality in the diabetes mellitus cohort compared to the non-diabetes mellitus cohort was 1.23 (95% Confidence Interval [CI]=1.16-1.30) for males and 1.27 (95%CI=1.19-1.35) for females. During the follow-up period, 8.9% of the diabetes mellitus cohort and 5.8% of the non-diabetes mellitus cohort developed cardiovascular diseases; the diabetes mellitus cohort had an adjusted relative risk of cardiovascular complications compared to the non-diabetes mellitus cohort of 1.54 (95%CI=1.36-1.75) for men and 1.70 (95%CI=1.43-2.02) for women. The adjusted relative risk of mortality in the patients with hypoglycemia compared to non-hypoglycemia patients in the diabetes mellitus cohort was 2.33 (95%CI=1.81-3.01) for men and 2.73 (95%CI=2.10-3.52) for women after adjustment for age, Charlson comorbidity index, acute coronary syndrome, respiratory disease, cancer, infectious disease and nervous system disease at baseline. Conclusions: New-onset diabetes in older adults is associated with an increased risk of mortality, and hypoglycemia is an important marker of this association. Individualized care plans stratified by age at onset, duration of disease, comorbidity and functional status, as well as hypoglycemia avoidance, would benefit the management of diabetes in older adults.

Original languageEnglish
Pages (from-to)227-232
Number of pages6
JournalJournal of Nutrition, Health and Aging
Volume21
Issue number2
DOIs
Publication statusPublished - Feb 1 2017

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics
  • Geriatrics and Gerontology

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