Assessment of Prosodic Communicative Efficiency in Parkinson's Disease As Judged by Professional Listeners

Table 6

Results for elicitation method: % correct identification scores and 𝑃 values resulting from  χ² test (statistically significant 𝑃 values in bold print).

Task	Speaker group	% correct ID-score		Significance level
		Reading	Imitation	𝑃 value
Boundary Marking	CS	92.6	97.1	0.147
	PD	90.2	88.9	0.757
	PD1	92.4	93.1	1.000*
	PD2	86.1	80.6	0.527
Focus	CS	94.4	98.0	0.281*
	PD	97.1	91.7	0.092
	PD1	97.0	98.5	1.000*
	PD2	97.2	81.0	0.033*
Sentence Typing	CS	91.7	96.1	0.179
	PD	85.3	86.1	0.866
	PD1	87.9	90.9	0.572
	PD2	80.6	78.6	0.829
Emotional Prosody	CS	61.1	63.2	0.796
	PD	48.5	61.1	0.135
	PD1	47.7	63.6	0.133
	PD2	50.0	57.1	0.606

CS: control speaker group; PD: entire Parkinson's disease speaker group; PD1: Parkinson's disease speaker group with mild dysarthria; PD2: Parkinson's disease speaker group with moderate or severe dysarthria;   *: Cases where conditions for a valid  χ² test were not met and Fisher's exact test was used instead.