Table 4.

Mean and standard deviation of the gait measures for the age matched groups

		Healthy Controls (HC)	PD ON	PD OFF	Effect Size & p-value
					HC vs PD ON	HC vs PD OFF	ON vs OFF
SPARC	Acc	−5.08 ± 0.71	−6.37 ± 0.64	−6.88 ± 0.64	1.95 (<  0.001)	2.69 (0.001)	0.003
	V	−4.25 ± 0.14	− 4.85 ± 0.61	− 5.77 ± 0.76	1.36 (< 0.001)	2.78 (0.001)	<  0.001
	AP	−5.42 ± 0.70	−5.83 ± 0.42	− 6.69 ± 0.47	0.73 (0.033)	2.18 (<  0.001)	<  0.001
	ML	−5.69 ± 0.56	−5.33 ± 0.43	−5.38 ± 0.49	− 0.73 (0.025)	− 0.61 (0.060)	0.934
	Gyr	− 5.01 ± 0.64	−5.30 ± 0.56	−5.83 ± 0.71	0.49 (0.120)	1.23 (<  0.001)	0.009
	Yaw	−5.93 ± 0.82	− 6.14 ± 0.84	− 6.76 ± 0.86	0.26 (0.408)	1.00 (0.002)	0.030
	Roll	− 5.91 ± 0.90	− 6.25 ± 0.75	−6.75 ± 0.68	0.41 (0.190)	1.06 (0.002)	0.013
	Pitch	−6.30 ± 0.85	−6.77 ± 0.88	−7.61 ± 1.10	0.54 (0.087)	1.33 (<  0.001)	0.005
Harmonic ratios	V	2.62 ± 0.65	2.53 ± 0.60	2.99 ± 0.78	0.14 (0.648)	− 0.52 (0.104)	0.010
	AP	1.02 ± 0.46	1.14 ± 0.55	1.98 ± 0.53	− 0.25 (0.424)	− 0.52 (<  0.001)	<  0.001
	ML	0.63 ± 0.12	0.57 ± 0.09	0.52 ± 0.06	0.52 (0.100)	1.18 (0.001)	0.112
Mean Gait Speed	–	1.20 ± 0.23	1.10 ± 0.20	1.04 ± 0.23	0.48 (0.127)	0.72 (0.026)	0.509
Stride Time	Mean	1.05 ± 0.04	1.12 ± 0.10	1.09 ± 0.12	− 0.87 (0.004)	− 0.43 (0.143)	0.536
	Variability	3.50 ± 1.27	3.67 ± 1.56	5.82 ± 5.05	− 0.12 (0.717)	− 0.066 (0.054)	0.550

Note: Significant results are displayed in bold