Adductor focal laryngeal Dystonia: correlation between clinicians’ ratings and subjects’ perception of Dysphonia

Table 7 Inter-Clinician Reliability of Symptoms on the USDRS

Perceptual Rating	Interclass Correlation Coefficient	F Test Significance
Severity of Dysphonia	0.939	<0.001*
Roughness	0.840	<0.001*
Breathiness	0.444	0.003*
Strain-Strangled Quality	0.849	<0.001*
Abrupt Voice Initiation	0.755	<0.001*
Voice Arrest	0.413	0.007*
Aphonia	0.241	0.098
Voice Tremor	0.903	<0.001*
Increased Expiratory Effort	0.809	<0.001*
Speech Rate	0.694	<0.001*
Intelligibility	0.688	<0.001*

Note: All clinician ratings were made during review of the video recording of the Rainbow Passage and description of the Cookie Theft picture
^*The reliability of clinician ratings of perceptual symptoms was statistically significant at the .01 level

ISSN: 2054-7072