Combined effects of age and gender on gait symmetry and regularity assessed by autocorrelation of trunk acceleration

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
Elderly	Male	0.797	0.021	0.835	0.017
Young	Female	0.874	0.009	0.900	0.008
Young	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
Elderly	Male	0.815	0.016	0.847	0.015
Young	Female	0.893	0.009	0.917	0.008
Young	Male	0.893	0.010	0.918	0.006

ISSN: 1743-0003