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EFFECT OF A LOW BACK PAIN RISK-STRATIFICATION APPROACH EMBEDDED IN A QUALITY IMPROVEMENT INITIATIVE ON PATIENT OUTCOMES AND CARE PROCESSES: THE MATCH RANDOMISED TRIAL

The Society for Back Pain Research (SBPR), Northampton, England, November 2017



Abstract

Purpose & Background

The STarT Back risk-stratification approach uses the STarT Back Tool to categorise patients with low back pain (LBP) at low, medium or high-risk of persistent disabling pain, in order to match treatments. The MATCH trial (NCT02286141) evaluated the effect of implementing an adaptation of this approach in a United States healthcare setting.

Methods

This was a pragmatic cluster randomised trial with a pre-intervention baseline period. Six primary care clinics were pair-randomised, three to an intensive stratified care quality improvement intervention and three as controls. LBP patients were invited to provide outcomes two weeks after their primary care visit, and two and six months later. Primary outcomes were physical function (RMDQ) and pain (0–10 NRS), and secondary outcomes including healthcare use and treatments provided received. Analysis was intention-to-treat.

Results

Patient outcomes were obtained from intervention (n=690) and control (n=864) clinics. At six months between-group differences in adjusted mean change scores did not significantly favour stratified care for RMDQ; 0.50 (95%CI −0.55, 1.55) or pain NRS 0.13 (95%CI −0.37, 0.63). There were no significant between group differences in any secondary patient outcome. Process data showed that the STarT Back tool was used with 47% of LBP patients in the intervention clinics but there was no differences in the treatments provided.

Conclusions

Implementation of a LBP stratified care approach in this United States healthcare setting showed moderate use of the STarT Back tool, but no change in treatments received by patients, and no benefits on patient outcomes.

Conflicts of interest: None

Sources of funding: Funding for this trial was provided by the Patient Centered Care Research Institute (“Evaluation of a Patient-Centered Risk Stratification Method for Improving Primary Care for Back Pain”: Contract #398) and by the National Center for Complementary and Integrative Health/NIH (“Implementing Evidence-Based Treatments for Persistent Back Pain into Primary Care”: Grant #R21AT0007326). Martin Levine, Diane Piekara, and Pam Rock received support to participate in the quality improvement activities from Group Health. Nadine Foster and Jonathan Hill were supported through an NIHR Research Professorship (NIHR-RP-011-015) to Nadine Foster. Nadine Foster is an NIHR Senior Investigator. The views expressed are those of the authors and not necessarily those of the Patient Centered Care Research Institute, NIH, NHS, the NIHR or the Department of Health.


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