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Qual Saf Health Care 2002;11:214-218 doi:10.1136/qhc.11.3.214
  • Original Article

Guideline adherence rates and interprofessional variation in a vignette study of depression

  1. H Tiemeier1,
  2. W J de Vries1,
  3. M van het Loo2,
  4. J P Kahan2,
  5. N Klazinga3,
  6. R Grol4,
  7. H Rigter1
  1. 1Netherlands Institute of Mental Health and Addiction, Utrecht, The Netherlands
  2. 2RAND Europe, Leiden, The Netherlands
  3. 3Dutch Institute for Health Care Improvement, Utrecht and Department of Social Medicine, University of Amsterdam, The Netherlands
  4. 4Centre for Quality of Care Research, Nijmegen University – Maastricht University, The Netherlands
  1. Correspondence to:
 Dr H Tiemeier, Department of Epidemiology & Biostatistics, Erasmus Medical Centre Rotterdam, P O Box 1738, 3000 DR Rotterdam, The Netherlands;
 tiemeier{at}epib.fgg.eur.nl
  • Accepted 1 March 2002

Abstract

Objective: To assess the appropriateness of and variation in intention-to-treat decisions in the management of depression in the Netherlands.

Design: Mailed survey with 22 paper cases (vignettes) based on a population study.

Setting: A random sample from four professional groups in the Dutch mental healthcare system.

Subjects: 264 general practitioners, psychiatrists, psychotherapists, and clinical psychologists.

Main outcome measures: Each vignette contained information on a number of patient characteristics taken from three national depression guidelines. The distribution of patient characteristics was based on data from a population study. Respondents were asked to choose the best treatment option and the best treatment setting. For each vignette we examined which of the selected treatments was appropriate according to the recommendations of the three published Dutch clinical guidelines and a panel of experts.

Results: 31% of all intention-to-treat decisions were not consistent with the guidelines. Overall, less severe depression, alcohol abuse, psychotic features, and lack of social resources were related to more inappropriate judgements. There was considerable variation between the professional groups: psychiatrists made more appropriate choices than the other professions although they had the highest rate of overtreatment.

Conclusions: There is sufficient variation in the intentions to treat depression to give it priority in quality assessment and guideline development. Efforts to achieve appropriate care should focus on treatment indications, referral patterns, and overtreatment.

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