MRCPsych08 - How To Analyse Diagnostic Test Studies (June08)

by Alex J Mitchell on Aug 29, 2008

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This is an educational talk/presentation on the science of diagnostic tests using examples from psychiatry. It was first presented for MRCPsych (Royal College of Psychiatrists UK) June 2008. Now update...

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MRCPsych08 - How To Analyse Diagnostic Test Studies (June08) — Presentation Transcript

MRCPsych Teaching 2008 Critical Appraisal of Diagnostic Test Studies Alex J Mitchell Consultant in Liaison Psychiatry University of Leicester

Contents • Importance of understanding diagnostic tests • Statistics of diagnostic validity • Examples

Importance of understanding diagnostic tests

What Is a Diagnostic Test in Psychiatry? • CT/MRI • CSF • Blood tests eg TFTs • SCAN/SCID/PSE/MINI • Neuropsychological Testing • MMSE • HADS/BDI/CESD? • Clinical Judgement • Self-report

Why Is a HADS score not a diagnosis?

Why Is a HADS score not a diagnosis? 1. No core features 2. No symptom ranking 3. No functional assessment 4. Duration unclear 5. What if Missing items? 6. Imprecise

MRCPsych08 - How To Analyse Diagnostic Test Studies (June08)

by Alex J Mitchell on Aug 29, 2008

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MRCPsych08 - How To Analyse Diagnostic Test Studies (June08) — Presentation Transcript