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. 2014 Jul 4;11:109. doi: 10.1186/1743-0003-11-109

Table 2.

Symmetry and regularity indices of different age and gender groups

Vertical acceleration
 
Symmetry index SI-Vt
Regularity index RI-Vt
Age Gender Mean SEM Mean SEM
Elderly
Female
0.856
0.016
0.867
0.014
Male
0.797
0.021
0.835
0.017
Young
Female
0.874
0.009
0.900
0.008
Male
0.861
0.015
0.896
0.010
Anteroposterior acceleration
 
Symmetry index SI-Ap
Regularity index RI-Ap
Elderly
Female
0.864
0.012
0.875
0.013
Male
0.815
0.016
0.847
0.015
Young Female
0.893
0.009
0.917
0.008
Male 0.893 0.010 0.918 0.006