A new measure of placebo response and patient satisfaction in office encounters

Alexander Ovchinsky, Nadia Ovchinsky, Richard M. Rosenfeld

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Objectives Placebo response is defined as a change in health status resulting from the symbolic significance attributed by the patient or proxy to the physician encounter. Our goals were to validate the PR12 survey as a measure of placebo response and to analyze the placebo response as a discrete and measurable component of everyday office encounters with the otolaryngologist. Study design This was a prospective, before-and-after clinical outcomes study of 95 children aged 6 months to 12 years conducted in an academic metropolitan pediatric otolaryngology practice. Caregivers completed the PR-12 survey at entry and at least 4 weeks later. The survey included 3 domains (4 questions each) reflecting the main components of the placebo response: meaningful explanation, care and concern, and mastery and control. PR-12 was correlated with longitudinal change in health status at least 1 to 2 months after the baseline visit. Outcome measures included direct and indirect measures of change in disease-specific quality of life and satisfaction with change. Results Test-retest reliability was fair for most PR-12 survey items (R = 0.41 to 0.76) but was higher for domains (0.60 to 0.66) and the overall survey score (0.66). PR-12 had excellent internal consistency (Cronbach's alpha 0.91) and appropriate construct validity. Caregiver satisfaction change at follow-up correlated with the PR-12 (r = -.25, P = 0.036). Conversely, no correlation was seen between the PR-12 and direct and indirect measures of change in disease specific quality of life. Conclusion Placebo response is an important and potentially measurable aspect of clinical encounters. PR-12 is a promising first step at creating a brief, reliable, and valid instrument to assess the placebo response. Significance Reemphasizing the therapeutic potential of the doctor-patient relationship may improve quality of care and disease outcomes.

Original languageEnglish (US)
Pages (from-to)280-287
Number of pages8
JournalOtolaryngology - Head and Neck Surgery
Volume131
Issue number3
DOIs
StatePublished - Sep 2004
Externally publishedYes

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Patient Satisfaction
Placebos
Caregivers
Health Status
Quality of Life
Outcome Assessment (Health Care)
Quality of Health Care
Otolaryngology
Proxy
Reproducibility of Results
Surveys and Questionnaires
Pediatrics
Physicians

ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

A new measure of placebo response and patient satisfaction in office encounters. / Ovchinsky, Alexander; Ovchinsky, Nadia; Rosenfeld, Richard M.

In: Otolaryngology - Head and Neck Surgery, Vol. 131, No. 3, 09.2004, p. 280-287.

Research output: Contribution to journalArticle

Ovchinsky, Alexander ; Ovchinsky, Nadia ; Rosenfeld, Richard M. / A new measure of placebo response and patient satisfaction in office encounters. In: Otolaryngology - Head and Neck Surgery. 2004 ; Vol. 131, No. 3. pp. 280-287.
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