Application of the Korean Version of the Modified Barthel Index: Development of a keyform for use in Clinical Practice.
Ickpyo Hong, Yoonjeong Lim, HyunSuk Han and 2 others
PMID 30186071WHAT IT FOUND
A keyform built from Korean rehabilitation patients' Modified Barthel scores maps how hard daily living tasks are and suggests short and long term goals.
It did not test whether those goals were feasible or meaningful.
Key findings
01The K-MBI items formed a difficulty order, with stair climbing and bathing hardest and bowel and bladder control easiest.
02The keyform placed K-MBI scores on a 0 to 100 point scale and marked item difficulty steps for treatment goal planning.
03The study did not test whether short and long term goals set from the keyform were feasible or meaningful for patients.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
The analysis used a de-identified secondary dataset from previous research, so the authors did not collect the K-MBI scores themselves. The sample was a convenience sample of adults with stroke and other conditions, which may affect the dimensionality findings. The 20.1 unit cut-off was estimated from the 20-point Barthel Index because the actual K-MBI minimal detectable change had not been reported. The long-term goal rule of two step thresholds apart from short-term cut-off units was arbitrary and needs future verification. The study did not test whether goals set from the keyform were feasible or meaningful for patients. For the three example subjects, keyform ability estimates differed from Rasch model estimates by 5.87 to 6.20 units. The feeding item did not meet fit criteria but was retained.
Declared interests
The article states the data came from previous research supported by Wonkwang University. No separate conflict-of-interest or funding declaration is given in the article.
The easy way to misread this
Do not treat the keyform as proof that these goals work. The authors did not test whether the short and long term goals set from the keyform were feasible or meaningful for patients.