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Review
, 9 (4), e94207
eCollection

The Influence of the Patient-Clinician Relationship on Healthcare Outcomes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Affiliations
Review

The Influence of the Patient-Clinician Relationship on Healthcare Outcomes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

John M Kelley et al. PLoS One.

Erratum in

  • PLoS One. 2014;9(6):e101191

Abstract

Objective: To determine whether the patient-clinician relationship has a beneficial effect on either objective or validated subjective healthcare outcomes.

Design: Systematic review and meta-analysis.

Data sources: Electronic databases EMBASE and MEDLINE and the reference sections of previous reviews.

Eligibility criteria for selecting studies: Included studies were randomized controlled trials (RCTs) in adult patients in which the patient-clinician relationship was systematically manipulated and healthcare outcomes were either objective (e.g., blood pressure) or validated subjective measures (e.g., pain scores). Studies were excluded if the encounter was a routine physical, or a mental health or substance abuse visit; if the outcome was an intermediate outcome such as patient satisfaction or adherence to treatment; if the patient-clinician relationship was manipulated solely by intervening with patients; or if the duration of the clinical encounter was unequal across conditions.

Results: Thirteen RCTs met eligibility criteria. Observed effect sizes for the individual studies ranged from d = -.23 to .66. Using a random-effects model, the estimate of the overall effect size was small (d = .11), but statistically significant (p = .02).

Conclusions: This systematic review and meta-analysis of RCTs suggests that the patient-clinician relationship has a small, but statistically significant effect on healthcare outcomes. Given that relatively few RCTs met our eligibility criteria, and that the majority of these trials were not specifically designed to test the effect of the patient-clinician relationship on healthcare outcomes, we conclude with a call for more research on this important topic.

Conflict of interest statement

Competing Interests: Dr. Riess is a stockholder, Chief Technology Officer, and Chairman of Empathetics, LLP. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Figures

Figure 1
Figure 1. Flow Chart of Study Selection Process.
Figure 2
Figure 2. Forest Plot of Cohen's d for the Effect of the Patient-Clinician Relationship on Healthcare Outcomes.
Figure 3
Figure 3. Risk of Bias Assessment.

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Grant support

This study was made possible with a grant from the Arnold P. Gold Foundation (www.humanism-in-medicine.org; grant #FI-11-004). Joe Kossowsky's contributions to this study were supported by the Swiss National Science Foundation, grant project (P2BSP1_148628). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
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