Letter to the Editor concerning "The role of non-rigid cervical collar in pain relief and functional restoration after whiplash injury: a systematic review and a pooled analysis of randomized controlled trials" by Ricciardi L, et al. (Eur Spine J; [2019] 28:1821-1828)

Ref ID 735
First Author S. Christensen
Journal EUROPEAN SPINE JOURNAL
Year Of Publishing 2020
URL https://pubmed.ncbi.nlm.nih.gov/32180023/
Keywords Error
Physiotherapy
Non-Cochrane reviews
Problem(s) Errors in study inclusion or omission of relevant studies
Data extraction errors and double counting
Number of systematic reviews included 1
Summary of Findings The authors of the letter regarding a systematic review of non-rigid cervical collar in pain relief and functional restoration after whiplash injury published in 2019 highlight several limitations. The review is reported to have included studies which did not adhere to eligibility criteria; to have double counted data from two citations on the same patient population and to have reported inaccurate denominators for weighted averages.
Did the article find that the problem(s) led to qualitative changes in interpretation of the results? Not Applicable
Are the methods of the article described in enough detail to replicate the study?