PEDro's bias: summary quality scores should not be used in meta-analysis

Ref ID 405
First Author B. R. da Costa
Journal JOURNAL OF CLINICAL EPIDEMIOLOGY
Year Of Publishing 2013
URL https://www.jclinepi.com/article/S0895-4356(12)00277-6/pdf
Keywords • Cochrane
• Physiotherapy
Problem(s) • Limited quality assessment or no risk of bias
Article Type Editorial
Article Subtype Discussion piece
First Author Country Switzerland
Aim To highlight that use of summary quality scores such as the Physiotherapy Evidence Database (PEDro) scale which details 11 items mostly relating to the design and conduct of the included trial. Analysis of the use of this checklist in one Cochrane systematic review published in 2009 is discussed.
Level of Investigation Descriptive
Summary of Findings Analysis of the use of this checklist in one Cochrane systematic review published in 2009 indicated that several trials which were not of high quality due to lack of adequate concealment of allocation and blinding of patients or therapists, were rated highly by the PEDro scale.
Number of systematic reviews included 1
Number of eligible systematic reviews assessed 1
Treatment impacted No
Treatment impacted description
Interpretation impacted Not Applicable
Interpretation impacted description