Fig. 4

Change in clinical outcome measures for the two groups’ pre (T0) and post (T1) therapy (means and standard errors are reported). The forest plot in the right panel of the figure reports the differences of the changes in the two groups (the diamonds represent the averaged value and the horizontal lines are the 95%CI). The semi-plane on the right of the zero line indicates greater improvement for the Robotic Group whereas the left semi-plane indicates greater improvement for the Control group. Blue lines indicate statistically significant differences among the two groups, while red lines between enrollment and discharge