Evidence map›Paper›PMID 21848415›Full record

Trial reportJournal of alternative and complementary medicine (New York, N.Y.)2011

The quantification of placebo effects within a general model of health care outcomes.

Justine E Owens, Martha Menard

Abstract readMulticenter StudyRandomized Controlled Trial
In one paragraph

Trial report in Journal of alternative and complementary medicine (New York, N.Y.), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed.

  1. Review
  2. Review
  3. Article
  4. Article
  5. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Justine E OwensDepartment of Medicine, Division of General Medicine, Geriatrics and Palliative Care, Health Sciences Center, University of Virginia, Charlottesville, VA, USA. owens@virginia.edu
Martha Menard

Funding

CENTER FOR THE STUDY OF ALTERNATIVE THERAPIES FOR PAINU24DE011924 · NIDCR · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI TAYLOR, ANN GILL · 1995 to 1999
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NIDCR NIH HHS 5 U24 DE 11924
6 · The paper itself

Abstract

objectivesThe objective of this study was to test a model of placebo effects in the context of a general model of health care outcomes.

designThe design of this study was a multisite, double-blind, placebo-controlled crossover trial. SETTINGS: The study was conducted at The University of Washington Hospital, Seattle, Washington, Cooper Hospital/University Medical Center, Camden, New Jersey, and at the Neurology Center of Fairfax, Fairfax, Virginia. SUBJECTS: One hundred and seventeen (117) patients diagnosed with Multiple Sclerosis were enrolled in the study.

interventionSubjects had daily exposure to a pulsing electromagnetic generator. OUTCOME MEASURES: The outcome measures were the average score of three quality-of-life indices: the Modified Fatigue Impact Scale, the Medical Outcomes Study Pain Effects Scale, and the Spasticity Effects Scale.

resultsPlacebo responders scored higher in the personality trait of Absorption compared with nonresponders (p<0.01). Placebo responders were more confident that the sham device was active compared to placebo nonresponders (p<0.009). The two factors of confidence in the treatment and Absorption accurately identified 80% of placebo responders in a discriminant analysis (p<0.0004).

conclusionsPlacebo effects are best understood when integrated in a general model of health care outcomes.

Indexed as

Electromagnetic PhenomenaOutcome Assessment, Health CarePlacebo EffectAdultCross-Over StudiesDouble-Blind MethodFatigueFemaleHumansMaleMiddle AgedMultiple SclerosisMuscle SpasticityPainPersonalityQuality of Life

Identifiers

PMID21848415
PMCPMC3162378

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.