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Cost-effectiveness of acupuncture care as an adjunct to exercise-based physical therapy for osteoarthritis of the knee.

Abstract：

BACKGROUND:The delivery of acupuncture alongside mainstream interventions and the cost-effectiveness of "alternative" treatments remain areas of controversy. OBJECTIVE:The aim of this study was to assess the cost-utility of adding acupuncture to a course of advice and exercise delivered by UK National Health Service (NHS) physical therapists to people with osteoarthritis of the knee. DESIGN:A cost-utility analysis was performed alongside a randomized controlled trial. METHODS:A total of 352 adults (aged 50 years or older) were randomly assigned to receive 1 of 3 interventions. The primary analysis focused on participants receiving advice and exercise (AE) or advice and exercise plus true acupuncture (AE+TA). A secondary analysis considered participants receiving advice and exercise plus nonpenetrating acupuncture (AE+NPA). The main outcome measures were quality-adjusted life years (QALYs), measured by the EQ-5D, and UK NHS costs. RESULTS:were expressed as the incremental cost per QALY gained over 12 months. Sensitivity analyses included a broader cost perspective to incorporate private out-of-pocket costs. Results NHS costs were higher for AE+TA (£314 [British pounds sterling]) than for AE alone (£229), and the difference in mean QALYs favored AE+TA (mean difference=0.022). The base-case cost per QALY gained was £3,889; this value was associated with a 77% probability that AE+TA would be more cost-effective than AE at a threshold of £20,000 per QALY. Cost-utility data for AE+NPA provided cost-effectiveness estimates similar to those for AE+TA. LIMITATIONS:As with all trial-based economic evaluations, caution should be exercised when generalizing results beyond the study perspectives. CONCLUSIONS:A package of AE+TA delivered by NHS physical therapists provided a cost-effective use of health care resources despite an associated increase in costs. However, the economic benefits could not be attributed to the penetrating nature of conventional acupuncture; therefore, further research regarding the mechanisms of acupuncture is needed. An analysis of alternative cost perspectives suggested that the results are generalizable to other health care settings.

journal_name

Phys Ther

journal_title

Physical therapy

authors

Whitehurst DG,Bryan S,Hay EM,Thomas E,Young J,Foster NE

doi

10.2522/ptj.20100239

subject

Has Abstract

pub_date

2011-05-01 00:00:00

pages

630-41

issue

eissn

0031-9023

issn

1538-6724

pii

ptj.20100239

journal_volume

pub_type

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Cost-effectiveness of acupuncture care as an adjunct to exercise-based physical therapy for osteoarthritis of the knee.