Open Access. Powered by Scholars. Published by Universities.®

Medicine and Health Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

Physical Therapy

Physiotherapy Papers and Journal Articles

2020

Meta-analysis

Articles 1 - 1 of 1

Full-Text Articles in Medicine and Health Sciences

Systematic Reviews That Include Only Published Data May Overestimate The Effectiveness Of Analgesic Medicines For Low Back Pain: A Systematic Review And Meta-Analysis, Matthew K. Bagg, Edel O'Hagan, Pauline Zahara, Benedict Wand, Markus Hubscher, G. Lorimer Moseley, James H. Mcauley Jan 2020

Systematic Reviews That Include Only Published Data May Overestimate The Effectiveness Of Analgesic Medicines For Low Back Pain: A Systematic Review And Meta-Analysis, Matthew K. Bagg, Edel O'Hagan, Pauline Zahara, Benedict Wand, Markus Hubscher, G. Lorimer Moseley, James H. Mcauley

Physiotherapy Papers and Journal Articles

Objective: Systematic reviews of analgesics for low back pain generally include published data only. Obtaining data from unpublished trials is potentially important because they may impact effect sizes in meta-analyses. We determined whether including unpublished data from trial registries changes the effect sizes in meta-analyses of analgesics for low back pain.

Study Design and Setting: Trial registries were searched for unpublished data that conformed to the inclusion criteria of n = 5 individual source systematic reviews. We reproduced the meta-analyses using data available from the original reviews and then reran the same analyses with the addition of new unpublished data. …