462 / 1694
Comparison of systems
3 mm action level - 27% more shifts on KVI than on EPI; (p= 0.0001)
Right
Left
(%)
Superior
Inferior
(%)
Anterior
Posterior
(%)
Proportion of displacements
<3mm - KVI
62
56
45
Proportion of displacements
<3mm - MVI
76
66
68
Proportion of displacements
<5mm - KVI
88
79
74
Proportion of displacements
<5mm - MVI
90
84
84
3 mm action level - 27% more shifts on KVI than on EPI; (p= 0.0001)
Gill, 2012 BJR