Figure 4 : Bland-Altman Plot illustrating the agreement between APDM and manual methods for the 30-Second Chair Stand.

The solid horizontal lines represent the average difference between APDM and manual methods (systematic bias), while the dashed lines represent the ±95% Limits of Agreement (random error).

Saunders et al.Physical Therapy and Rehabilitation  2017 4:13DOI : 10.7243/2055-2386-4-13