Table 2.

Between-Group Comparison during Steady-State Gait Phase^a

Parameter	Group	Mean	SD	p value	Groups	Pairwise	95% confidence interval for difference
Stride velocity, m/s	DPN no ulcer	0.86	0.29	0.24	1 and 2	0.82	-0.20	0.16
	DPN with ulcer	0.87	0.19		1 and 3	0.12	-0.39	0.04
	Healthy	1.02	0.19		2 and 3	0.15	-0.36	0.06
Stride length, m	DPN no ulcer	1.08	0.26	0.28	1 and 2	0.84	-0.17	0.14
	DPN with ulcer	1.08	0.17		1 and 3	0.14	-0.34	0.05
	Healthy	1.20	0.16		2 and 3	0.17	-0.31	0.06
Gait cycle time, s	DPN no ulcer	1.34	0.26	0.34	1 and 2	0.42	-0.10	0.23
	DPN with ulcer	1.27	0.16		1 and 3	0.15	-0.05	0.34
	Healthy	1.19	0.20		2 and 3	0.40	-0.11	0.27
DS, %	DPN no ulcer	26.3	6.88	0.04	1 and 2	0.03	0.28	8.80
	DPN with ulcer	22.1	4.59		1 and 3	0.02	0.66	11.09
	Healthy	20.8	4.9		2 and 3	0.59	-3.67	6.34
COM, degree2	DPN no ulcer	15.88	7.23	0.02	1 and 2	0.39	-3.79	9.42
	DPN with ulcer	12.91	6.16		1 and 3	0.039	-16.65	-0.46
	Healthy	24.23	14.26		2 and 3	0.005	-19.14	-3.95
CV (stride velocity), %	DPN no ulcer	6.0	5.6	0.06	1 and 2	0.20	-1.19	5.34
	DPN with ulcer	4.4	4.1		1 and 3	0.02	0.72	8.71
	Healthy	1.9	1.0		2 and 3	0.17	-1.19	6.48
Knee range of motion, degree	DPN no ulcer	51.7	8.8	0.003	1 and 2	0.34	-4.87	13.70
	DPN with ulcer	47.4	9.6		1 and 3	0.01	-26.56	-3.81
	Healthy	67.0	20.4		2 and 3	<0.01	-30.52	-8.69

^aGroup 1, DPN no ulcer; group 2, DPN with ulcer; group 3, healthy control. Boldface items indicate statistical significance.