Validity of the Motor and Sensory Items of the Stroke Impairment Assessment Set

Abstract

The validity of the motor and sensory items of the Stroke Impairment Assessment Set (SIAS) was examined. Subjects were 175 stroke patients with hemiplegia. To validate Knee-mouth test and Knee-extension test, the times of 10 repetitions of elbow flexion and extension in both affected and unaffected sides were measured in patients with a score of more than 3 on the Knee-mouth test in SIAS. The measurement of the times for 10 repetitions of knee flexion and extension was in the same manner. Then we caluculated unaffected-affected time ratio, respectively. To validate the sensory items of the SIAS, the unaffected knee angle that patients demonstrated for simulation of an affected knee angle passively positioned at 45 and 90 deg. were measured. The absolute value of the angle of difference between affected and unaffected side was calculated. Knee-mouth test was correlated to the unaffected/affected time ratio for 10 repetitions by the elbow (r=0.836). Knee-extension test was also correlated (r=0.817). On sensory test, the higher the score of the position test in SIAS, the smaller the error of the knee angle. In conclusion, these results provided increased evidence of the validity of the motor and sensory items of the SIAS.