Table 2.

Spatio-temporal gait parameters. Means ± SEM.

Variable	Baseline	Discharge	%Change	Time p-value	G x T p-value	GxT Δ% p-value
P-step Time (s)				0.000	0.172	0.212
Robot	2.51±0.35	1.34±0.14	−37 ‡
Stretch	2.41±0.38	1.75±0.33	−25 †
NP-step Time (s)				0.008	0.365	0.174
Robot	1.11±0.11	0.91±0.05	−10
Stretch	1.27±0.20	0.87±0.07	−23 +
Step-time Symmetry				0.014	0.042	0.032
Robot	2.33±0.30	1.44±0.14	−26 †
Stretch	1.98±0.23	1.89±0.20	+5
P-step Length (cm)				0.005	0.779	0.273
Robot	35.5±1.8	39.6±2.0	13 +
Stretch	29.8±2.4	34.7±1.9	27
NP-step Length				0.000	0.052	0.065
Robot	18.8±2.6	31.6±3.4	133 ‡
Stretch	22.1±2.5	28.3±3.7	31 +
Step-length Symmetry				0.125	0.122	0.038
Robot	3.61±1.25	1.63±0.28	−31
Stretch	1.80±0.36	1.81±0.42	+14

G x T: group by time interaction; P: paretic; NP: nonparetic; within group p-values:

⁺p≤0.05,

^†p≤0.01,

^‡p≤0.001