Table 3. Comparison of gait function before and after HAL intervention.

Outcome measurements	before HAL	after HAL
Gait speed (m/s)	0.8 ± 0.4	0.8 ± 0.5
Stride length (m)	0.5 ± 0.1	0.5 ± 0.1
Cadence (step/min)	92.4 ± 35.9	92.4 ± 40.0
Single-leg support phase (%)	64.5 ± 15.8	69.3 ± 12.1*
Hip angle of stance phase (°)	149.2 ± 19.0	155.7 ± 20.1*
Knee angle of stance phase (°)	137.6 ± 20.2	143.1 ± 19.5*
Hip angle of swing phase (°)	137.2 ± 14.6	129.7 ± 16.6
Knee angle of swing phase (°)	112.0 ± 15.5	105.2 ± 17.1*

*p<0.05, **p<0.01.