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. 2021 Feb 25;16(2):e0247466.
doi: 10.1371/journal.pone.0247466. eCollection 2021.

A core outcome set for research and clinical practice in women with pelvic girdle pain: PGP-COS

Alexandria Remus  1 , Valerie Smith  1 , Annelie Gutke  2 , Juan Jose Saldaña Mena  3 , Siv Mørkved  4 , Lena Nilsson Wikmar  5   6 , Birgitta Öberg  7 , Christina Olsson  6 , Hilde Stendal Robinson  8 , Britt Stuge  9 , Francesca Wuytack  1
Affiliations

A core outcome set for research and clinical practice in women with pelvic girdle pain: PGP-COS

Alexandria Remus et al. PLoS One. .

Abstract

Background: Inconsistent reporting of outcomes in clinical trials of women with Pelvic Girdle Pain (PGP) hinders comparison of findings and the reliability of evidence synthesis. A core outcome set (COS) can address this issue as it defines a minimum set of outcomes that should be reported in all clinical trials on the condition. The aim of this study was to develop a consensus-based COS for evaluating the effectiveness of interventions in PGP during pregnancy and postpartum for use in research and clinical practice.

Methods: A systematic review of previous studies on PGP and semi-structured interviews with women were undertaken to identify all outcomes that were reported in prior studies and that are relevant to those experiencing the condition. Key stakeholders (clinicians, researchers, service providers/policy makers and individuals with PGP) then rated the importance of these outcomes for including in a preliminary PGP-COS using a 3-round Delphi study. The final COS was agreed at a face-to-face consensus meeting.

Results: Consensus was achieved on five outcomes for inclusion in the final PGP-COS. All outcomes are grouped under the "life impact" domain and include: pain frequency, pain intensity/severity, function/disability/activity limitation, health-related quality of life and fear avoidance.

Conclusion: This study identified a COS for evaluating the effectiveness of interventions in pregnancy-related and postpartum-related PGP in research and clinical settings. It is advocated that all trials, other non-randomised studies and clinicians in this area use this COS by reporting these outcomes as a minimum. This will ensure the reporting of meaningful outcomes and will enable the findings of future studies to be compared and combined. Future work will determine how to measure the outcomes of the PGP-COS.

Core outcome set registration: This PGP-COS was registered with COMET (Core Outcome Measures for Effectiveness Trials) in January 2017 (http://www.comet-initiative.org/studies/details/958).

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. PGP-COS study phases.
See this image and copyright information in PMC

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