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[Screening methods for diabetes mellitus in aged group]

C Ito1, F Kasagi

  • 1Hiroshima A-bomb Casualty Council Health Management Center.

Nihon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics
|April 1, 1993
PubMed
Summary

Fasting plasma glucose (FPG) is the most valid screening method for diabetes mellitus, especially in older adults. However, screening accuracy decreases in individuals aged 65 and above.

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Area of Science:

  • Gerontology
  • Endocrinology
  • Clinical Diagnostics

Context:

  • Diabetes mellitus screening is crucial, particularly in the elderly population.
  • Various diagnostic methods exist, including blood glucose tests, urine sugar tests, hemoglobin A1c, and fructosamine assays.
  • Evaluating the efficacy and prognostic ability of these tests in elderly individuals is essential for effective healthcare management.

Purpose:

  • To analyze the validity and prognostic estimation capabilities of different diabetes mellitus screening methods in elderly populations.
  • To compare the diagnostic accuracy of fasting plasma glucose (FPG), hemoglobin A1c, and fructosamine levels for diabetes screening.
  • To assess the differences in screening validity between older adults (>= 65 years) and younger adults (<= 55 years).

Summary:

  • Fasting plasma glucose (FPG) demonstrated the highest validity for diabetes screening compared to hemoglobin A1c and fructosamine.
  • Screening using FPG > or = 120 mg/dl showed a sensitivity of 70.5% and specificity of 94.5%.
  • Older adults (>= 65 years) exhibited lower sensitivity and predictive value for diabetes screening compared to younger individuals, despite similar specificity.

Impact:

  • Identifies fasting plasma glucose as the most effective screening method for diabetes mellitus.
  • Highlights the reduced accuracy of diabetes screening in elderly populations, necessitating tailored diagnostic approaches.
  • Provides data-driven recommendations for establishing standard blood glucose levels for screening based on post-meal timings.

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