Figure 8.

—30SST. A) Correlation between the 30SST test and the 30SST-APP at both time points; B) Bland-Altman plot showing the level of agreement and the consistency of the two measurements at both time points; C) correlation between the difference of the 30SST results after the rehabilitation treatment registered by the operator and the Step-App^® mobile system; D) Bland-Altman plot showing the level of agreement and the consistency of the two measurement difference after the rehabilitation treatment.