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Prev Chronic Dis. 2015 Jul 30;12:E120. doi: 10.5888/pcd12.140413.

Economic Evaluation of a Tai Ji Quan Intervention to Reduce Falls in People With Parkinson Disease, Oregon, 2008-2011.

Author information

1
Oregon Research Institute, 1776 Millrace Dr, Eugene, OR 97403. Email: fuzhongl@ori.org.
2
Willamette University, Salem, Oregon.

Abstract

INTRODUCTION:

Exercise is effective in reducing falls in people with Parkinson disease. However, information on the cost effectiveness of this approach is lacking. We conducted a cost-effectiveness analysis of Tai Ji Quan for reducing falls among patients with mild-to-moderate Parkinson disease.

METHODS:

We used data from a previous intervention trial to analyze resource use costs related to intervention delivery and number of falls observed during a 9-month study period. Cost effectiveness was estimated via incremental cost-effectiveness ratio (ICER) in which Tai Ji Quan was compared with 2 alternative interventions (Resistance training and Stretching) on the primary outcome of per fall prevented and the secondary outcome of per participant quality-adjusted life years (QALY) gained. We also conducted subgroup and sensitivity analyses.

RESULTS:

Tai Ji Quan was more effective than either Resistance training or Stretching; it had the lowest cost and was the most effective in improving primary and secondary outcomes. Compared with Stretching, Tai Ji Quan cost an average of $175 less for each additional fall prevented and produced a substantial improvement in QALY gained at a lower cost. Results from subgroup and sensitivity analyses showed no variation in cost-effectiveness estimates. However, sensitivity analyses demonstrated a much lower ICER ($27) when only intervention costs were considered.

CONCLUSION:

Tai Ji Quan represents a cost-effective strategy for optimizing spending to prevent falls and maximize health gains in people with Parkinson disease. While these results are promising, they warrant further validation.

TRIAL REGISTRATION:

ClinicalTrials.gov NCT00611481.

PMID:
26226067
PMCID:
PMC4523116
DOI:
10.5888/pcd12.140413
[Indexed for MEDLINE]
Free PMC Article

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