Acoustic Correlates of Compensatory Adjustments to the Glottic and Supraglottic Structures in Patients with Unilateral Vocal Fold Paralysis

Table 3

Comparison of the results of GRBAS scale between UVFP and normal voice subjects.

	UVFP		Normal			value
		Mean ± SD		Mean ± SD
G	17	2.06 ± 0.827	85	0	0	<0.001
R	17	1.94 ± 0.899	85	0	0	<0.001
B	17	1.71 ± 0.772	85	0	0	<0.001
A	17	1.24 ± 0.437	85	0	0	<0.001
S	17	0.94 ± 0.556	85	0	25.5	<0.001

UVFP: Unilateral Vocal Fold Paralysis; G: Grade; R: Rough; B: Breathy; A: Asthenic; S: Strained; : number of cases; SD: standard deviation; : Mann-Whitney test.