Gait training with a wearable powered robot during stroke rehabilitation: a randomized parallel-group trial

Table 3 Gait parameters obtained with RehaGait®

	Group A (n = 17)		Group B (n = 18)		p-value
	day 0	day 14	day 0	day 14	Intragroup difference^#		Interaction effect*
	day 0	day 14	day 0	day 14	Group A	Group B	Interaction effect*
Stride duration (s)	1.19 ± 0.17	1.04 ± 0.12	1.15 ± 0.15	1.09 ± 0.19	< 0.001	0.007	0.006
Stride length (m)	1.07 ± 0.20	1.18 ± 0.22	0.99 ± 0.23	1.08 ± 0.23	< 0.001	< 0.001	0.359
Gait speed (m/s)	0.93 ± 0.26	1.17 ± 0.31	0.88 ± 0.28	1.03 ± 0.32	< 0.001	< 0.001	0.055
Cadence (steps/min)	103.1 ± 14.2	116.6 ± 13.1	105.9 ± 14.4	112.6 ± 17.1	< 0.001	< 0.001	0.012
Ratio of the unaffected standing phase (%)	64.5 ± 3.6	62.8 ± 4.0	63.8 ± 4.0	62.9 ± 3.5	0.004	0.077	0.254
Ratio of the affected standing phase (%)	66.5 ± 5.0	64.0 ± 3.9	67.0 ± 4.3	65.4 ± 4.3	< 0.001	< 0.001	0.157
Maximum flexion angles
unaffected knee joint (°)	55.2 ± 11.4	56.4 ± 9.9	45.6 ± 13.7	47.7 ± 14.8	0.695	0.235	0.449
affected knee joint (°)	60.1 ± 7.7	60.6 ± 6.7	53.3 ± 7.4	54.8 ± 7.4	1.000	0.734	0.799
unaffected hip joint (°)	33.1 ± 4.7	34.7 ± 5.8	30.1 ± 6.3	31.0 ± 7.4	0.288	0.783	0.553
affected hip joint (°)	34.3 ± 4.1	34.7 ± 3.8	32.2 ± 6.8	33.9 ± 7.7	0.957	0.069	0.442
Symmetry ^§	0.98 ± 0.16	1.00 ± 0.17	1.02 ± 0.51	1.01 ± 0.66	1.000	1.000	1.000

^#Intragroup difference between days 0 and 14
*Interaction effect: between the day of measurement and group
^§Symmetry: ratio of the maximum flexion angles of the affected hip joint to the unaffected hip joint

ISSN: 1743-0003