• Susan E Murphy, Catherine Blake, Camillus K Power, and Brona M Fullen.
• *BackCare Programme, Orthopaedic Department, University Hospital, Waterford, Ireland†School of Public Health, Physiotherapy and Population Science, University College, Dublin, Ireland‡Pain Service, Adelaide and Meath Hospital, Dublin, Ireland.
• Spine. 2016 Apr 1; 41 (8): 645-52.

Study DesignA nonrandomized controlled trial.ObjectiveThis study aims to explore the effectiveness of group-based stratified care in primary care.Summary Of Background DataStratified care based on psychosocial screening (STarT Back) has demonstrated greater clinical and cost-effectiveness in patients with low back pain. However, low back pain interventions are often delivered in groups and evaluating this system of care in a group setting is important.MethodsPatients were recruited from 60 general practices and linked physiotherapy services. A new group stratified intervention was compared with a historical nonstratified control group. Patients stratified as low, medium and high risk were offered risk-matched group care. Consenting participants completed self-report measures of functional disability (primary outcome measure), pain, psychological distress, and beliefs. The historical control received a generic group intervention. Analysis was by intention to treat.ResultsIn total, 251 patients in the new stratified intervention and 332 in the historical control were included in the primary analysis at 12 weeks. The mean age of patients was 43 ± 10.98 years. Overall adjusted mean changes in the RMDQ scores were higher in the stratified intervention than in the control arm at 12-week follow-up (P = 0.028). Exploring the risk groups, individually the high-risk stratified group, demonstrated better outcome over the controls (P = 0.031). The medium-risk stratified intervention demonstrated equally good outcomes (P = 0.125), and low-risk stratified patients, despite less intervention, did as well as the historical controls (P = 0.993).ConclusionStratified care delivered in a group setting demonstrated superior outcomes in the high-risk patients, and equally good outcomes for the medium and low-risk groups. This model, embedded in primary care, provides an early and effective model of chronic disease management and adds another dimension to the utility of the STarT Back system of care.Level Of Evidence2.

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