Mobility Analysis of AmpuTees (MAAT I): Quality of life and satisfaction are strongly related to mobility for patients with a lower limb prosthesis.
Shane R Wurdeman, Phillip M Stevens, James H Campbell
PMID 28990467WHAT IT FOUND
Self-rated mobility was strongly related to quality of life and moderately related to satisfaction in 509 lower limb prosthesis users.
This does not show that improving mobility causes better quality of life or satisfaction.
Key findings
01Self-rated mobility was strongly and positively related to quality of life among the analysed patients.
02Self-rated mobility was moderately and positively related to general satisfaction with how things had worked out over the past 4 weeks.
03The PEQ-WB composite score was strongly and positively related to self-rated mobility.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
This was a retrospective chart review of routine outcomes data, so it cannot show that mobility causes better quality of life or satisfaction. The sample was a convenience sample of the most recent 550 patients, and 9 were excluded for being under age 18, while 32 data points were excluded as outliers. Data were collected by multiple clinicians across sites, which introduces chance for error and may miss local geographic or cultural differences. Quality of life and satisfaction were measured with only 2 PEQ-WB questions, and the 10-point ordinal format may have less resolution than a visual analog scale. Only 1 participant had a partial foot amputation, so results may not apply well to that group.
Declared interests
The authors declared no potential conflicts of interest. Funding came from the American Orthotics and Prosthetics Association Small Grant, award EB-043016.
The easy way to misread this
Do not read this as proof that improving mobility causes better quality of life or satisfaction. The study analysed existing records and measured relationships, not the effect of changing mobility.