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Table 3 Coefficient of correlation (coefficient and p-value) between voice subjective assessment (blinded GRBASI) and acoustic parameters

From: Impact of laryngopharyngeal reflux on subjective and objective voice assessments: a prospective study

 

G

p-value

R

p-value

B

p-value

A

p-value

S

p-value

I

p-value

Jitt

0.463

0.002

0.184

0.249

0.548

<0.001

0.505

0.001

0.295

0.061

0.430

0.005

RAP

0.454

0.003

0.190

0.234

0.530

<0.001

0.498

0.001

0.276

0.081

0.419

0.007

Shim

0.500

0.001

0.130

0.416

0.522

<0.001

0.397

0.010

0.417

0.007

0.365

0.019

APQ

0.494

0.001

0.159

0.320

0.463

0.002

0.405

0.009

0.438

0.004

0.401

0.009

  1. The statistical analysis was provided using Pearson's correlation test; Grade (G), Roughness (R), Breathiness (B), Asthenia (A), Strain (S), Instability (I), Jitter percent (Jitt), Relative Average Perturbation (RAP), Shimmer percent (Shim), and Amplitude Perturbation Quotient (APQ)