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Stratified primary care versus non-stratified care for musculoskeletal pain: findings from the STarT MSK feasibility and pilot cluster randomized controlled trial

Hill, Jonathan; Garvin, Stefannie; Chen, Ying; Cooper, V; Wathall, Simond; Saunders, Ben; Lewis, A Martyn; Protheroe, Joanne; Chudyk, Adrian; Dunn, Kathryn; Hay, Elaine; Van Der Windt, Danielle; Mallen, Christian; Foster, Nadine E

Stratified primary care versus non-stratified care for musculoskeletal pain: findings from the STarT MSK feasibility and pilot cluster randomized controlled trial Thumbnail


Authors

Stefannie Garvin

Ying Chen

V Cooper

Nadine E Foster



Abstract

Background: Musculoskeletal (MSK) pain from the five most common presentations to primary care (back, neck, shoulder, knee or multi-site pain), where the majority of patients are managed, is a costly global health challenge. At present, first-line decisionmaking is based on clinical reasoning and stratified models of care have only been tested in patients with low back pain. We therefore, examined the feasibility of; a) a future definitive cluster randomised controlled trial (RCT), and b) General Practitioners (GPs) providing stratified care at the point-of-consultation for these five most common MSK pain presentations.

Methods: The design was a pragmatic pilot, two parallel-arm (stratified versus nonstratified care), cluster RCT and the setting was 8 UK GP practices (4 intervention, 4 control) with randomisation (stratified by practice size) and blinding of trial statistician
and outcome data-collectors. Participants were adult consulters with MSK pain without indicators of serious pathologies, urgent medical needs, or vulnerabilities. Potential participant records were tagged and individuals sent postal invitations using a GP
point-of-consultation electronic medical record (EMR) template. The intervention was supported by the EMR template housing the Keele STarT MSK Tool (to stratify into low, medium and high-risk prognostic subgroups of persistent pain and disability) and recommended matched treatment options. Feasibility outcomes included exploration of recruitment and follow-up rates, selection bias, and GP intervention fidelity. To capture recommended outcomes including pain and function, participants completed an initial questionnaire, brief monthly questionnaire (postal or SMS), and 6-month follow-up questionnaire. An anonymised EMR audit described GP decision-making.

Results: GPs screened 3063 patients (intervention=1591, control=1472), completed the EMR template with 1237 eligible patients (intervention=513, control=724) and 524 participants (42%) consented to data collection (intervention=231, control=293). Recruitment took 28 weeks (target 12 weeks) with >90% follow-up retention (target >75%). We detected no selection bias of concern and no harms identified. GP stratification tool fidelity failed to achieve a-priori success criteria, whilst fidelity to the matched treatments achieved “complete success”.

Conclusions: A future definitive cluster RCT of stratified care for MSK pain is feasible and is underway, following key amendments including a clinician-completed version of the stratification tool and refinements to recommended matched treatments.

Citation

Hill, J., Garvin, S., Chen, Y., Cooper, V., Wathall, S., Saunders, B., …Foster, N. E. (2020). Stratified primary care versus non-stratified care for musculoskeletal pain: findings from the STarT MSK feasibility and pilot cluster randomized controlled trial. BMC Family Practice, 21, Article 30. https://doi.org/10.1186/s12875-019-1074-9

Journal Article Type Article
Acceptance Date Dec 17, 2019
Publication Date Feb 11, 2020
Journal BMC family practice
Print ISSN 1471-2296
Publisher BioMed Central
Peer Reviewed Peer Reviewed
Volume 21
Article Number 30
DOI https://doi.org/10.1186/s12875-019-1074-9
Keywords Musculoskeletal pain, Stratified care, Prognosis, Primary care, General practice
Publisher URL https://doi.org/10.1186/s12875-019-1074-9
PMID 32046647

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