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Knowledge profile and control in diabetic patients.

T J Lockington1, S Farrant, K A Meadows

  • 1Department of Endocrinology, Charing Cross Hospital, London, UK.

Diabetic Medicine : a Journal of the British Diabetic Association
|May 1, 1988
PubMed
Summary

Patient knowledge of diabetes mellitus, both insulin-dependent (IDDM) and non-insulin-dependent (NIDDM), was assessed. Lower knowledge scores correlated with higher HbA1c levels in NIDDM patients, suggesting education is vital for diabetes control.

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Area of Science:

  • Endocrinology
  • Medical Education

Background:

  • Glycosylated hemoglobin (HbA1c) is a key indicator of long-term glycemic control in diabetes mellitus.
  • Patient understanding of diabetes mellitus impacts self-management and health outcomes.
  • Assessing diabetes knowledge is crucial for identifying educational needs.

Purpose of the Study:

  • To evaluate the relationship between diabetes mellitus knowledge and glycemic control (HbA1c) in patients with insulin-dependent (IDDM) and non-insulin-dependent (NIDDM) diabetes.
  • To identify specific knowledge gaps in different diabetes mellitus subtypes.

Main Methods:

  • A computer-based questionnaire assessed diabetes knowledge in 79 IDDM and 72 NIDDM patients.
  • Total knowledge scores were correlated with HbA1c levels.
  • Patients were grouped into quintiles based on knowledge scores to analyze HbA1c variations.

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Main Results:

  • No significant linear correlation was found between total knowledge score and HbA1c for either IDDM or NIDDM.
  • However, the lowest knowledge quintile in NIDDM patients had significantly higher mean HbA1c compared to higher scoring groups (p = 0.027).
  • The least knowledgeable IDDM quintile also showed higher mean HbA1c, though not statistically significant, and this group was significantly older.

Conclusions:

  • While direct linear correlation was not significant, lower diabetes knowledge is associated with poorer glycemic control in NIDDM.
  • Significant knowledge deficits exist in both IDDM and NIDDM patients.
  • Regular knowledge assessment and educational reinforcement are essential for optimal diabetes management and patient safety, especially in older IDDM patients.