Clinical performance and health equity implications of the American Diabetes Association’s 2023 screening recommendation for prediabetes and diabetes

Matthew J. O’Brien*, Yan Zhang, Stacy C. Bailey, Sadiya S. Khan, Ronald T. Ackermann, Mohammed K. Ali, Michael E. Bowen, Stephen R. Benoit, Giuseppina Imperatore, Christopher S. Holliday, Kai McKeever Bullard

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: The American Diabetes Association (ADA) recommends screening for prediabetes and diabetes (dysglycemia) starting at age 35, or younger than 35 years among adults with overweight or obesity and other risk factors. Diabetes risk differs by sex, race, and ethnicity, but performance of the recommendation in these sociodemographic subgroups is unknown. Methods: Nationally representative data from the National Health and Nutrition Examination Surveys (2015-March 2020) were analyzed from 5,287 nonpregnant US adults without diagnosed diabetes. Screening eligibility was based on age, measured body mass index, and the presence of diabetes risk factors. Dysglycemia was defined by fasting plasma glucose ≥100mg/dL (≥5.6 mmol/L) or haemoglobin A1c ≥5.7% (≥39mmol/mol). The sensitivity, specificity, and predictive values of the ADA screening criteria were examined by sex, race, and ethnicity. Results: An estimated 83.1% (95% CI=81.2-84.7) of US adults were eligible for screening according to the 2023 ADA recommendation. Overall, ADA’s screening criteria exhibited high sensitivity [95.0% (95% CI=92.7-96.6)] and low specificity [27.1% (95% CI=24.5-29.9)], which did not differ by race or ethnicity. Sensitivity was higher among women [97.8% (95% CI=96.6-98.6)] than men [92.4% (95% CI=88.3-95.1)]. Racial and ethnic differences in sensitivity and specificity among men were statistically significant (P=0.04 and P=0.02, respectively). Among women, guideline performance did not differ by race and ethnicity. Discussion: The ADA screening criteria exhibited high sensitivity for all groups and was marginally higher in women than men. Racial and ethnic differences in guideline performance among men were small and unlikely to have a significant impact on health equity. Future research could examine adoption of this recommendation in practice and examine its effects on treatment and clinical outcomes by sex, race, and ethnicity.

Original languageEnglish (US)
Article number1279348
JournalFrontiers in Endocrinology
Volume14
DOIs
StatePublished - 2023

Funding

SB has received consultant fees from Lundbeck, Luto, Pfizer, and Sanofi. SB has received research support from Eli Lilly, Gordon and Betty Moore Foundation, Lundbeck, Merk, Pfizer, and Retirement Research Foundation for Aging. RA has received consultant fees from UnitedHealth Group. MA has received advisory panel support from Bayer AG and research support from Merk. All potential financial dualities of interest reported here were unrelated to the current study. The authors declare financial support was received for the research, authorship, and/or publication of this article. MO’B and RA’s effort was supported by a grant from the National Institute of Diabetes and Digestive and Kidney Diseases (P30DK094929). Acknowledgments

Keywords

  • diabetes screening
  • health equity
  • population health
  • prediabetes screening
  • racial and ethnic disparities
  • sex and gender disparities

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism

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