Incidence Rate of Prediabetes Progression to Diabetes: Modeling an Optimum Target Group for Intervention

Ramona S. Dejesus, Carmen Radecki Breitkopf, Lila J Rutten, Debra J. Jacobson, Patrick M. Wilson, Jennifer St. Sauver

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Thirty-seven percent of US adults have prediabetes. Various interventions can delay diabetes progression; however, the optimum target group for risk reduction is uncertain. This study estimated rate of progression to diabetes at 1 and 5 years among a cohort of patients from 3 primary care clinics and modeled the potential magnitude in diabetes incidence risk reduction of an intervention program among specific subgroups. Records of 106,821 empaneled patients in 2005 were reviewed. Generalized population attributable risk (PAR) statistics were calculated to estimate the impact of reducing fasting blood glucose on diabetes progression. Multiple intervention effects (varying levels of glucose reduction along with multiple adherence rates) were examined for those with baseline glucose from 110 to 119 mg/dL and ≥120 mg/dL. Ten percent of patients (n = 10,796) met criteria for prediabetes. The 1-A nd 5-year diabetes incidence rate was 38.6 and 40.24 per 1000 person-years, respectively. Age and obesity were independent predictors of increased progression rate. The generalized PAR for a 10-point reduction in the 110-119 mg/dL subgroup with 25% adherence was 7.6%. The generalized PAR for similar percent reduction and adherence level in patients with baseline glucose of ≥120 mg/dL was only 3.0%. Rate of progression to diabetes increased over time and with associated independent risk factors. Greater risk reduction in diabetes progression within the target population can be achieved when the intervention is successful in those with baseline glucose of 110-119 mg/dL. Modeling an optimum target group for a diabetes prevention intervention offers a novel and useful guide to planning and allocating resources in population health management.

Original languageEnglish (US)
Pages (from-to)216-223
Number of pages8
JournalPopulation Health Management
Volume20
Issue number3
DOIs
StatePublished - Jun 1 2017

ASJC Scopus subject areas

  • Leadership and Management
  • Health Policy
  • Public Health, Environmental and Occupational Health

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