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Insulin Resistance is Associated with Cognitive Decline Among Older Koreans with Normal Baseline Cognitive Function: A Prospective Community-Based Cohort Study

Authors
Kong, SH | Park, YJ | Lee, JY | Cho, NH  | Moon, MK
Citation
Scientific reports, 8(1). : 650-650, 2018
Journal Title
Scientific reports
ISSN
2045-2322
Abstract
We evaluated whether metabolic factors were associated with cognitive decline, compared to baseline cognitive function, among geriatric population. The present study evaluated data from an ongoing prospective community-based Korean cohort study. Among 1,387 participants who were >65 years old, 422 participants were evaluated using the Korean mini-mental status examination (K-MMSE) at the baseline and follow-up examinations. The mean age at the baseline was 69.3 +/- 2.9 years, and 222 participants (52.6%) were men. The mean duration of education was 7.1 +/- 3.6 years. During a mean follow-up of 5.9 +/- 0.1 years, the K-MMSE score significantly decreased (-1.1 +/- 2.7 scores), although no significant change was observed in the homeostasis model assessment of insulin resistance (HOMA-IR) value. Participants with more decreased percent changes in K-MMSE scores had a shorter duration of education (p = 0.001), older age (p = 0.022), higher baseline K-MMSE score (p < 0.001), and increased insulin resistance (HOMA-IR, p = 0.002). The correlation between the percent changes in K-MMSE and HOMA-IR values remained significant after multivariable adjustment (B = -0.201, p = 0.002). During a 6-year follow-up of older Koreans with normal baseline cognitive function, increased insulin resistance was significantly correlated with decreased cognitive function.
MeSH

DOI
10.1038/s41598-017-18998-0
PMID
29330465
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Preventive Medicine & Public Health
Ajou Authors
조, 남한
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