Screening for Type 2 Diabetes > Population at Risk Author: Lorraine Lipscombe, MD, FRCPC; Denice S. Feig, MD, MSc, FRCPC
Editorial changes - 2009-05-01
Author information and module status
Key Points
Population at Risk
Effectiveness/Harms of Screening Tests
Effectiveness/Harms of Early Treatment
Direct Evidence that Screening Reduces Adverse Outcomes
Timeline
Cost-Effectiveness
Patient Education
Referral/Consultation
Guidelines
Tables
References
Glossary
What's New
Patient Information
Additional Resources
Tools
Recommendation
Recognize that the natural history of diabetes includes an asymptomatic phase that would be detected only through screening or opportunistic testing and that complications can occur before clinical symptoms of diabetes are apparent.B

Evidence:

  • Approximately one third of adults with prevalent diabetes have not been diagnosed (1).
  • The prevalence of retinopathy has been estimated between 10% and 37% at the time of clinical diagnosis of diabetes (2; 3).
  • Approximately 10% of persons have nephropathy at the time of diabetes diagnosis (4).
  • In newly diagnosed patients, 2% had had an MI, 3% had angina, and 1% had had a stroke (5).
  • The preclinical phase of diabetes is estimated to be about 10 to 12 years (2; 6).

Comments:

  • None.

FAQs
Denice S. Feig, MD, MSc, FRCPC has no financial relationships with pharmaceutical companies, biomedical device manufacturers, or health-care related organizations. Lorraine Lipscombe, MD, FRCPC has no financial relationships with pharmaceutical companies, biomedical device manufacturers, or health-care related organizations. Sonal Singh, MD, editorial consultant, has no financial relationships with pharmaceutical companies, biomedical device manufacturers, or health-care related organizations.
Steven E. Weinberger, MD, FACP, Acting Editor, PIER, has stock holdings in Glaxosmithkline and Abbott.

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