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Is an enhanced behaviour change intervention cost-effective compared with physiotherapy for patients with chronic low back pain? Results from a multicentre trial in Israel.

Is an enhanced behaviour change intervention cost-effective compared with physiotherapy for patients with chronic low back pain? Results from a multicentre trial in Israel.
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Canaway A, Pincus T, Underwood M, Shapiro Y, Chodick G, Ben-Ami N,


Canaway A, Pincus T, Underwood M, Shapiro Y, Chodick G, Ben-Ami N, (click to view)

Canaway A, Pincus T, Underwood M, Shapiro Y, Chodick G, Ben-Ami N,

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BMJ open 2018 04 108(4) e019928 doi 10.1136/bmjopen-2017-019928
Abstract
OBJECTIVE
To assess the cost-effectiveness of an enhanced transtheoretical model of behaviour change in conjunction with physiotherapy compared with standard care (physiotherapy) in patients with chronic lower back pain (CLBP).

DESIGN
Cost-utility and cost-effectiveness analyses alongside a multicentre controlled trial from a healthcare perspective with a 1-year time horizon.

SETTING
The trial was conducted in eight centres within the Sharon district in Israel.

PARTICIPANTS
220 participants aged between 25 and 55 years who suffered from CLBP for a minimum of 3 months were recruited.

INTERVENTIONS
The intervention used a model of behaviour change that sought to increase the adherence and implementation of physical activity in conjunction with physiotherapy. The control arm received standard care in the form of physiotherapy.

PRIMARY AND SECONDARY MEASURES
The primary outcome was the incremental cost per quality-adjusted life year (QALY) of the intervention arm compared with standard care. The secondary outcome was the incremental cost per Roland-Morris Disability Questionnaire point.

RESULTS
The cost per QALY point estimate was 10 645 New Israeli shekels (NIS) (£1737.11). There was an 88% chance the intervention was cost-effective at NIS50 000 per QALY threshold. Excluding training costs, the intervention dominated the control arm, resulting in fewer physiotherapy and physician visits while improving outcomes.

CONCLUSIONS
The enhanced transtheoretical model intervention appears to be a very cost-effective intervention leading to improved outcomes for low cost. Given limitations within this study, there is justification for examining the intervention within a larger, long-term randomised controlled trial.

TRIAL REGISTRATION NUMBER
NCT01631344; Pre-results.

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