Freezing of gait and white matter changes: a tract-based spatial statistics study

Table 2 The behavioral and DTI measures, and their correlations with FOGQ scores

Correlation with FOGQ scores
Parameters	Mean ± S.D.	r	P
DST/GC	0.31 ± 0.074	0.63	0.003*
Velocity	0.98 ± 0.30	−0.79	<0.001*
SL	0.96 ± 0.25	−0.74	<0.001*
MMSE score	28 ± 1.4	−0.62	0.003*
FA	0.38 ± 0.032	−0.49	0.026*
FA	(†0.45 ± 0.02)	−0.49	0.026*
MD	0.99 ± 0.059	0.50	0.022*
MD	(†0.78 ± 0.03)	0.50	0.022*
AD	1.4 ± 0.042	0.48	0.029*
AD	(†1.18 ± 0.03)	0.48	0.029*
RD	0.79 ± 0.069	0.48	0.031*
RD	(†0.58 ± 0.04)	0.48	0.031*

For the DTI measures (FA, MD, AD and RD), values reported by Burzynska et al. using 63 healthy elderly subjects are shown in the parentheses as a reference. P-values considered to be significant are followed by an asterisk.
DST/GC: double support time/gait cycle, SL: stride length.

ISSN: 2054-7072