Table 2.

One-way comparisons for the five motor speech components (top) and correlations between motor speech components with dystonia and parkinsonism scales (bottom). DF = degrees of freedom.

Components	Control M (SD)	XDP M (SD)	DF	Mean Square	F value	p-value	Adjusted p-value	Cohen’s d
Coordination	−.35 (.11)	−.19 (.08)	1	.31	33.36	<001^**	<001^**	1.60
Consistency	−13.28 (6.67)	−17.46 (6.70)	1	5.06	5.06	.03^*	.03^*	.62
Speed	.40 (6.67)	−.05 (1.54)	1	11.46	11.46	<001^**	<001^**	.94
Precision	7.70 (4.03)	4.58 (2.59)	1	11.06	11.06	.002^*	.002^*	.92
Rate	7.10 (1.09)	5.95 (1.15)	1	17.02	13.49	<001^**	<001^**	1.02
Components	MDS-UPDRS1	MDS-UPDRS 2	MDS-UPDRS 3	MDS-UPDRS 4	BFM Movement	BFM Disability	TWSTRS Disability	TWSTRS Pain
Coordination	.16	.38^*	.38^*	.43^*	.20	49^*	.21	.25
Consistency	−.29^*	−.24	−.31	−.23	−.33^*	−.31^*	−.18	−.25
Speed	−.29^*	−.35^*	−.38^*	−.31^*	−.36^*	−.33^*	−.27	−.22
Precision	−.25	−.33^*	−.40^*	−.30^*	−.30	−.31^*	−.21	−.20
Rate	−.30^*	−.39^*	−.24	−.37^*	−.36^*	−.40^*	−.34^*	−.31^*

^{* =}

statistically significant at p ≤ 0.05;

^{** =}

statistically significant at p ≤ 0.001.