Figure 5.
Scatter plot of actual BBS versus predicted BBS based on a regression model obtained from a torso-mounted IMU during the FTSS. For the separate male/female models (left panel) mean R2 was 0.65 with mean RMSE of 2.57. For the all data model (right panel) R2 of 0.45 and RMSE of 3.17 was observed.