Table 2.

Correlations to measure relationship between trunk and foot acceleration variability in frontal and sagittal planes in healthy control subjects (HC) and persons with MS (PwMS), and Fischer’s r to z transformation two-tailed comparison between groups; *Significant correlation, * p < 0.05.

			HC R-value (P-value)	PwMS R-value (P-value)	Fischer’s Transformation Z-statistic (P-value)
Frontal	Linear	RMS	0.565 (< 0.01) *	0.732 (< 0.01) *	−1.26 (0.207)
		Range	0.711 (< 0.01) *	0.485 (< 0.01) *	1.55 (0.121)
	Nonlinear	SaEn	0.541 (< 0.01) *	0.054 (0.740)	2.37 (0.018) *
		LyE	0.334 (0.046) *	0.396 (0.020) *	−0.31 (0.757)
Sagittal	Linear	RMS	0.810 (< 0.01) *	0.791 (< 0.01) *	0.23 (0.818)
		Range	0.274 (0.111)	0.372 (0.024) *	−0.47 (0.638)
	Nonlinear	SaEn	0.510 (< 0.01) *	−0.098 (0.548)	2.84 (< 0.01) *
		LyE	0.259 (0.145)	0.458 (< 0.01) *	−0.99 (0.322)