Balance-confidence is associated with community participation, perceived physical mobility, and performance-based function among individuals with a unilateral amputation.
Jaclyn Megan Sions, Tara Jo Manal, John Robert Horne and 2 others
PMID 29952694WHAT IT FOUND
Higher confidence in balance was linked with greater community participation, better perceived mobility and better walking performance among 45 adults with one lower-limb amputation using a prosthesis.
Key findings
01After age, sex and body mass index were considered, higher balance-confidence was associated with greater community participation and better perceived mobility.
02For each 1% increase in balance-confidence, community participation increased by .155 and perceived mobility increased by .353.
03For each 1% increase in balance-confidence, Timed Up and Go time decreased by .09 seconds and 6 Minute Walk Test distance increased by 1.8 meters.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
This was a cross-sectional association study, so it cannot show that low balance-confidence caused poorer participation or function, or that improving confidence would improve outcomes. The analysis used 45 of 101 clinically evaluated patients and 80 consented participants; exclusions were due to no prosthesis, incomplete data, or disarticulation or bilateral amputation. Examiners were trained, but inter-examiner reliability for performance testing was not assessed. Participation was measured only by questionnaire, not by objective tracking such as GPS or accelerometers. Small sample size prevented control for time since amputation, residual limb pain, comorbidities and physical activity level. Participants had unilateral transfemoral or transtibial amputation at least 1 year earlier and were using a prosthesis, so results may not apply to bilateral amputations, non-prosthetic users, very recent amputations, or other amputation levels. The median time since amputation was 6.0 years, so this reflects post-acute community reintegration rather than acute rehabilitation.
Declared interests
The authors report no conflict of interest.
The easy way to misread this
Do not conclude that improving balance-confidence will improve walking or participation. This study measured associations only; it did not test an intervention or show cause.