Psychometrics of the Wrist Stability and Hand Mobility Subscales of the Fugl-Meyer Assessment in Moderately Impaired Stroke

Level of agreement between the Action Research Arm Test (ARAT) and the wrist stability and hand mobility scales of the Upper Extremity Fugl-Meyer Assessment (w/h UE FM) at the 2 administration periods: Bland-Altman plot with regression adjustment for trend. Gray lines indicate the regression-based 95% limits of agreement. The mean difference for pretest 1 was (−1.07 + 1.19 × average), with limits of agreement estimated to be (±2.46 × [1.37 + 0.12 × average]). The mean difference comparing measures for pretest 2 was (−1.52 + 1.13 × average), with limits of agreement estimated to be (±2.46 × [1.53 + 0.15 × average]).