Cited by 33Diabetes Management and ResearchArtificial Intelligence in HealthcareMachine Learning in Healthcare

A Prediction Model for Uncontrolled Type 2 Diabetes Mellitus Incorporating Area-level Social Determinants of Health

Basu, Sanjay, Narayanaswamy, Rajiv·2019·Medical Care

Abstract

Background Social determinants of health (SDH) at the area level are understood to influence the likelihood of having poor glycemic control for patients with type 2 diabetes mellitus (T2DM). Objectives To develop a model for predicting whether a person with T2DM has uncontrolled diabetes (hemoglobin A1c ≥9%), incorporating individual and area-level (census tract) covariates. Research design Development and validation of machine learning models. Subjects Total of N=1,015,808 privately insured persons in claims data with T2DM. Measures C-statistic, sensitivity, specificity, positive predictive value, negative predictive value, and accuracy. Results A standard logistic regression model selecting among the available individual-level covariates and area-level SDH covariates (at the census tract level) performed poorly, with a C-statistic of 0.685, sensitivity of 25.6%, specificity of 90.1%, positive predictive value of 56.9%, negative predictive value of 70.4%, and accuracy of 68.4% on a 25% held-out validation subset of the data. By contrast, machine learning models improved upon risk prediction, with the highest performance from a random forest algorithm with a C-statistic of 0.928, sensitivity of 68.5%, specificity of 94.6%, positive predictive value of 69.8%, negative predictive value of 94.3%, and accuracy of 90.6%. SDH variables alone explained 16.9% of variation in uncontrolled diabetes. Conclusions A predictive model developed through a machine learning approach may assist…

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Crossref · 10.1097/mlr.0000000000001147

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Authors
Basu, S., & Narayanaswamy, R.
Affiliations
  • Harvard University (US)
  • KPMG (United States) (US)
Corresponding author
Basu, Sanjay
Venue
Medical Care
Published
2019-08
Volume
57
Issue
8
Pages
592-600
ISSN
0025-7079 (ISSN-L)
OpenAlex
W2954466797
Cited by
33
References
4
Citations by year
2026: 1 · 2025: 6 · 2024: 4 · 2023: 11 · 2022: 2 · 2021: 6 · 2020: 3
FWCI
2.23
Type
journal article
Language
en
Open access
closed
Locations
  • Medical Care (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (1r21md012867-01)
  • National Institute on Minority Health and Health Disparities (R21 MD012867)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
  • Health Sciences › Health Professions › Health Information Management › Artificial Intelligence in Healthcare
  • Physical Sciences › Computer Science › Artificial Intelligence › Machine Learning in Healthcare
Keywords
type 2 diabetes, uncontrolled diabetes, glycemic control, HbA1c, social determinants of health, census tracts, risk prediction model, random forest, risk adjustment, privately insured patients
MeSH terms
Machine Learning, Aged, Diabetes Mellitus, Type 2, Female, Glycated Hemoglobin, Humans, Male, Middle Aged, Risk Factors, Models, Statistical, Logistic Models, Risk Assessment, Social Determinants of Health

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