Comparison of the CES-D and PHQ-9 depression scales in people with type 2 diabetes in Tehran, Iran
2011

Comparing Depression Scales in Diabetic Patients

Sample size: 185 publication 10 minutes Evidence: moderate

Author Information

Author(s): Khamseh Mohammad E, Baradaran Hamid R, Javanbakht Anna, Mirghorbani Maryam, Yadollahi Zahra, Malek Mojtaba

Primary Institution: Tehran University of Medical Sciences

Hypothesis

The study aims to assess the efficacy and accuracy of the CES-D and PHQ-9 scales in screening for depression among patients with type 2 diabetes.

Conclusion

Both the PHQ-9 and CES-D are effective screening tools for depression, but a formal diagnostic process is necessary for accurate diagnosis.

Supporting Evidence

  • 43.2% of patients were diagnosed with Major Depressive Disorder based on clinical interviews.
  • The PHQ-9 identified 47.6% of patients with MDD.
  • The CES-D identified 61.62% of patients with MDD at a cut-off score of ≥ 16.

Takeaway

This study looked at how well two questionnaires can find depression in people with diabetes. Both tools work well, but doctors still need to do a proper check-up.

Methodology

Outpatients with type 2 diabetes completed the CES-D and PHQ-9 questionnaires, followed by a clinical interview for diagnosis.

Potential Biases

Potential bias due to the self-report nature of the questionnaires and the specific patient population.

Limitations

The study may not represent all diabetic patients as it was conducted in a specialized center.

Participant Demographics

The mean age was 56.1 years, with approximately 52% female participants.

Statistical Information

P-Value

0.02

Confidence Interval

95% CI = 1.5-1.7

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-244X-11-61

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