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Upper limb motor function recovery for brain stroke patients regain independence is crucial
.
ARAT (Action Research Arm Test) is a personal assessment of the ability of the upper limbs and is often used in stroke rehabilitation research
Stroke
In a sample of 131 patients, Nijland et al.
defined the cutoff scores for ARAT's 3 types of upper extremity outcomes at 6 months after stroke
.
These authors later defined cutoff scores for the five categories of upper limb outcomes 6 months after stroke in a sample of 460 patients, including 131 patients in the original three-category classification system
A hypothesis-free cluster analysis was used to determine the scores of 4 types of ARAT on the scores obtained by 40 patients 3 months after stroke
In this way, Harry T.
Jordan and others of the University of Auckland in Information Theory used a subset of the ARAT task to derive and internally verify the decision tree to detect subacute (3-6 months after stroke) and chronic (stroke) After >6 months), the outcome of upper limb movement is classified
The video rapid and potential remote FOCUS assessment can be used to evaluate the results in clinical practice and screen potential participants for the trial
They found that the decision tree generated by classification and regression tree analyses requires 2 to 4 ARAT tasks
.
The overall accuracy of the cross-validated decision tree is between 87.
7% (SE, 1.
0%) and 96.
7% (SE, 2.
0%)
When the patient is classified into one of the three outcome categories, the accuracy is the highest, and the accuracy of the five categories is the lowest
.
Decision trees are called FOCUS (Fast Outcome Classification of Upper Limbs after Stroke) assessments, and they are still accurate for ARAT scores 6 months after stroke (overall accuracy range is 83.
4%-91.
7%)
The important significance of this research lies in the discovery: A subset of the ARAT task can accurately classify the results of upper limb movement after stroke
.
Future research can study the feasibility and accuracy of using FOCUS to evaluate the classification of results remotely through video calls
A subset of the ARAT task can accurately classify the results of upper limb movement after stroke
Original Source:
Jordan HT, Che J, Byblow WD, Stinear CM.
Fast Outcome Categorization of the Upper Limb After Stroke.
Stroke.
Published online October 4, 2021:STROKEAHA.
121.
035170.
doi:10.
1161/STROKEAHA.
121.
035170
Fast Outcome Categorization of the Upper Limb After Stroke.
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