Different reliability of instrumented gait analysis between patients with unilateral hip osteoarthritis, unilateral hip prosthesis and healthy controls

Table 3 Standard deviations differences for the two examiners for each of the parameters presented in Table 2

	Standard deviations differences			H vs. OA	H vs. THA	OA vs. THA
	Healthy	OA	THA	p-value	p-value	p-value
Speed m/s	0.08	0.12	0.07	0.142	0.660	0.058
Hip extension degrees	8.63	9.55	8.67	0.664	0.984	0.678
Hip flexion degrees	8.51	9.77	9.50	0.557	0.638	0.907
Hip ext-flex range degrees	2.22	4.37	2.58	0.005	0.521	0.027
Hip adduction degrees	3.09	2.92	3.94	0.807	0.298	0.200
Hip abduction degrees	3.46	3.31	3.60	0,844	0.872	0.720
Hip add-abd range degrees	2.27	1.81	3.35	0.339	0.097	0.010
Hip add moment Nm/kg	0.14	0.19	0.11	0.152	0.143	0.974
Hip abd moment Nm/kg	0.08	0.05	0.05	0.138	0.391	0.021
Hip add-abd moment range Nm/kg	0.17	0.20	0.14	0.555	0.352	0.131

P-values refers to comparison of variances (Bartlett’s test) between Healthy (H), Hip osteoarthritis (OA) and Total hip arthroplasty (THA) subjects

ISSN: 1471-2474