Selecting studies (not reports) as the unit of interest of systematic reviews and meta-analyses: an essential practice

Ref ID 673
First Author A. Carneiro-Barrera
Journal INTERNATIONAL JOURNAL OF OBESITY
Year Of Publishing 2020
URL http://dx.doi.org/10.1038/s41366-020-0556-0
Keywords • Cognition
• Error
Problem(s) • Data extraction errors and double counting
Article Type Editorial
Article Subtype Comment/letter
First Author Country Spain
Aim A letter highlighting concerns over the conduct of one systematic review and meta-analysis of weight loss interventions for sleep apnoea in youths with obesity.
Level of Investigation Descriptive
Summary of Findings The authors describe multiple examples in the systematic review in question where double counting is likely to have taken place and several reports relating to the same clinical trial registration are treated as separate data.
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