Table 3.

Median (first and third quartile) values for spatio-temporal and COM parameters estimated for the two systems of the PD and PS group.

	RGB-D System		3D-GA System
Parameters	PD Group	PS Group	PD Group	PS Group
Step length (m)	0.36 (0.29, 0.58)	0.46 (0.39, 0.56)	0.39 (0.37, 0.42)	0.49 (0.38, 0.64)
Stance duration (%)	65.75 (63.67, 71.14)	67.50 (62.75, 71.75)	70.30 (62.55, 74.53)	65.00 (62.52, 69.50)
Double support duration (s)	0.66 (0.37, 0.77)	0.51 (0.31, 0.69)	0.73 (0.28, 0.91)	0.42 (0.33, 0.57)
Mean velocity (m/s)	0.61 (0.54, 1.14)	0.80 (0.54, 0–94)	0.71 (0.54, 1.11)	0.74 (0.62, 0.94)
Step width (m)	0.15 (0.12, 0.16)	0.19 (0.16, 0.22)	0.23 (0.14, 0.24)	0.24 (0.21, 0.26)
Cadence (steps/min)	103.55 (98.90, 113.92)	95.24 (72.58, 99.17)	102.20 (97.20, 118.00)	93.90 (75.20, 99.40)
ML Sway (m)	0.08 (0.06, 0.11)	0.09 (0.08, 0.12)	0.08 (0.06, 0.09)	0.10 (0.08, 0.14)
V Sway (m)	0.04 (0.04, 0.07)	0.05 (0.04, 0.09)	0.05 (0.04, 0.08)	0.04 (0.03, 0.04)