Table III. —Comparisons of spatiotemporal gait parameters in severe vs. mild impairment groups.

Variables	Severe impairment group (N.=15)			Mild impairment group (N.=17)
	Without AFO	With AFO	P value	Without AFO	With AFO	P value
Stride time, s	1.22±0.15	1.26±0.15	0.024*	1.11±0.18	1.12±0.20	0.463
Cadence, steps/min	99.7±11.5	96.0±10.3	0.028*	109.9±15.3	109.2±15.5	0.738
Single stance time, s
Paretic side	0.30±0.04	0.32±0.04	0.008**	0.32±0.04	0.33±0.04	0.904
Non-paretic side	0.45±0.08	0.46±0.06	0.410	0.41±0.09	0.41±0.10	0.953
Double stance time, s
Paretic side	0.26±0.06	0.26±0.06	0.935	0.20±0.05	0.20±0.04	0.702
Non-paretic side	0.20±0.06	0.22±0.07	0.089	0.18±0.03	0.19±0.03	0.158
Stride length, % body height	48.9±13.1	50.0±12.3	0.094	52.8±10.6	53.3±11.5	0.272
Step length, % body height
Paretic side	25.9±9.1	25.5±7.6	0.476	26.5±5.7	26.8±6.8	0.580
Non-paretic side	23.0±5.2	24.5±5.3	0.042*	26.3±5.5	26.6±5.5	0.432
Step width, % body height	15.5±2.5	14.4±2.0	0.058	13.4±3.6	13.3±3.5	0.702

Values are presented as mean±standard deviation. *P<0.05; **P<0.01. AFO: ankle-foot orthosis.