Table 6

Bias and 95% limits of agreement between the radiographic and digital image measurements.


Bias (cm)
SD (cm)
95% Limits Of Agreement

10% WB
-0.65
0.21
-1.06 to -0.25 cm
50% WB
-0.97
0.19
-1.34 to -0.59 cm
90% WB
-0.88
0.22
-1.32 to -0.44 cm
Non-WB
-1.43
0.26
-1.94 to -0.93 cm
AH Difference From
Non-WB To 50% WB
-0.47
0.36
-1.18 to 0.24 cm

Note: WB = weight bearing

McPoil et al. Journal of Foot and Ankle Research 2008 1:3   doi:10.1186/1757-1146-1-3