Fig. 4

Acceptability of Andago by participants and therapists. Pie-charts showing the number of participants who a felt safer walking in Andago compared to normal walking, b preferred to train with Andago compared to treadmill walking, and c would like to train again with Andago. d Individual patient responses, whether it was cool training in Andago. Results from session 1 are colored in blue, from session 2 in red. e Individual System Usability Scale (SUS) scores for six therapists (Th1-6). Average and standard deviation (SD) are visualized with red crossing lines; the percentile score (displayed by the red up/down arrow) was calculated and interpreted in line with Bangor et al. [29]. SD standard deviation, Th therapist