Fig. 4

The figure illustrates the distribution of the reporting quality by parameter. All clinical studies were scored for the three categories Gait speed, Bodyweight support and Robotic Assistance with the scheme in Table 1. Scores from 0 to 2 correspond to a poor reporting not eligible to allow a comparison of studies, scores from 3 to 6 to a limited reporting that provide some insights in the therapy approach and allow to transfer the strategy, and scores from 7 to 8 to a sufficient reporting to include the results in a meta-analysis and judge whether the strategy matches the actually performed therapy