Do static and dynamic insulin resistance indices perform similarly in predicting pre-diabetes and type 2 diabetes?

Rong Liu*, Katherine Kaufer Christoffel, Wendy J. Brickman, Xin Liu, Meghana Gadgil, Guoying Wang, Donald Zimmerman, Qi Chen, Binyan Wang, Zhiping Li, Houxun Xing, Xiping Xu, Xiaobin Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Aims: We designed a study to compare the predictive power of static and dynamic insulin resistance indices for categorized pre-diabetes (PDM)/type 2 diabetes (DM). Methods: Participants included 1134 adults aged 18-60 years old with normal glucose at baseline who completed both baseline and 6-years later follow-up surveys. Insulin resistance indices from baseline data were used to predict risk of PDM or DM at follow-up. Two static indices and two dynamic indices were calculated from oral glucose tolerance test results (OGTT) at baseline. Area under the receiver operating characteristic curve (AROC) analysis was used to estimate the predictive ability of candidate indices to predict PDM/DM. A general estimation equation (GEE) model was applied to assess the magnitude of association of each index at baseline with the risk of PDM/DM at follow-up. Results: The dynamic indices displayed the largest and statistically predictive AROC for PDM/DM diagnosed either by fasting glucose or by postprandial glucose. The bottom quartiles of the dynamic indices were associated with an elevated risk of PDM/DM vs. the top three quartiles. However, the static indices only performed significantly to PDM/DM diagnosed by fasting glucose. Conclusions: Dynamic insulin resistance indices are stronger predictors of future PDM/DM than static indices. This may be because dynamic indices better reflect the full range of physiologic disturbances in PDM/DM.

Original languageEnglish (US)
Pages (from-to)245-250
Number of pages6
JournalDiabetes Research and Clinical Practice
Volume105
Issue number2
DOIs
StatePublished - Aug 2014

Keywords

  • Adult
  • Chinese
  • Insulin resistance indices
  • Pre-diabetes
  • Predict
  • Type 2 diabetes

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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