Table 3.

Spearman’s coefficients for correlations between spatial-temporal and smoothness of gait parameters and scores obtained from the neuropsychological assessment.

Gait Variables		MMSE	ACE-R
Spatial-temporal parameters	Gait speed	0.449 ††	0.430 ††
	Stride length	0.446 ††	0.422 ††
	Cadence	0.199	0.191
	Stance phase	−0.156	−0.143
	Swing phase	0.192	0.182
	Double support phase	−0.153	−0.149
Harmonic Ratio	HR AP direction *	0.323 ††	0.303 ††
	HR ML direction *	0.213 †	0.251†
	HR V direction *	0.259 †	0.207 †

^†p < 0.05; ^†† p < 0.01; * controlled for gait speed; ACE-R: Addenbrooke’s Cognitive Examination (Revised); MMSE: Mini Mental State Examination; AP: antero-posterior; ML: medio-lateral; V: vertical.