Hill, JC, Garvin, S, Bromley, K, Saunders, B, Kigozi, J, Cooper, V, Lewis, M, Protheroe, J, Wathall, S, Chudyk, A, Dunn, KM, Birkinshaw, H, Jowett, S, Hay, EM, van der Windt, DA, Mallen, CD and Foster, NE (2022) Risk-based stratified primary care for common musculoskeletal pain presentations (STarT MSK): a cluster-randomised, controlled trial. The Lancet Rheumatology, 4 (9). e591 - e602. ISSN 2665-9913

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Background Risk-based stratified care shows clinical effectiveness and cost-effectiveness versus usual primary care for non-specific low back pain but is untested for other common musculoskeletal disorders. We aimed to test the clinical effectiveness and cost-effectiveness of point-of-care risk stratification (using Keele's STarT MSK Tool and risk-matched treatments) versus usual care for the five most common musculoskeletal presentations (back, neck, knee, shoulder, and multi-site pain). Methods In this cluster-randomised, controlled trial in UK primary care with embedded qualitative and health economic studies we recruited patients from 24 general practices in the West Midlands region of England. Eligible patients were those aged 18 years or older whose general practitioner (GP) confirmed a consultation for a musculoskeletal presentation. General practices that consented to participate via a representative of the cluster were randomly assigned (1:1) to intervention or usual care, using stratified block randomisation. Researchers involved in data collection, outcome data entry, and statistical analysis were masked at both the cluster and individual participant level. Participating patients were told the study was examining GP treatment of common aches and pains and were not aware they were in a randomised trial. GPs in practices allocated to the intervention group were supported to deliver risk-based stratified care using a bespoke computer-based template, including the risk-stratification tool, and risk-matched treatment options for patients at low, medium, or high risk of poor disability or pain outcomes. There were 15 risk-matched treatment options. In the usual care group, patients with musculoskeletal pain consulting their GP received treatment as usual, typically including advice and education, medication, referral for investigations or tests, or referral to other services. The primary outcome was time-averaged pain intensity over 6 months. All analyses were done by intention to treat. The trial is registered with ISRCTN, ISRCTN15366334. Findings Between May 1, 2018, and April 30, 2019, 104 GPs from 24 practices (12 per study group) identified 2494 patients with musculoskeletal pain. 1211 (49%) participants consented to questionnaires (534 in the intervention group and 677 in the usual care group), with 1070 (88%) completing the follow-up questionnaire at 6 months. We found no significant difference in time-averaged pain intensity (mean(SD) mean 4.4 [SD 2.3] in the intervention group vs 4.6 [2.5] in the control group; adjusted mean difference -0.16, 95% CI -0.65 to 0.34) or in standardised function score (mean -0.06 [SD 0.94] in the intervention group vs 0.05 [1.04]; adjusted mean difference -0.07, 95% CI -0.22 to 0.08). No serious adverse events or adverse events were reported. Risk stratification received positive patient and clinician feedback. Interpretation Risk stratification for patients in primary care with common musculoskeletal presentations did not lead to significant improvements in pain or function, although some aspects of GP decision making were affected, and GP and patients had positive experiences. The costs of risk-based stratified care were similar to usual care, and such a strategy only offers marginal changes in cost-effectiveness outcomes. The clinical implications from this trial are largely inconclusive.

Item Type: Article
Additional Information: Copyright © 2022 The Author(s). Published by Elsevier Ltd. User License Creative Commons Attribution (CC BY 4.0)
Subjects: R Medicine > R Medicine (General)
Divisions: Faculty of Medicine and Health Sciences > School of Medicine
Depositing User: Symplectic
Date Deposited: 14 Oct 2022 14:18
Last Modified: 13 Mar 2023 14:36
URI: https://eprints.keele.ac.uk/id/eprint/11548

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