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Table 4 Correlation between VAS and Likert scale for pre- and postoperative patients.

From: A questionnaire using vocal symptoms in quality control of phonosurgery: vocal surgical questionnaire

 

Preoperative

Postoperative

Comparison between pre and post

Hoarseness

0.76

0.91

0.85

Voice failure

0.81

0.87

0.69

  1. Spearman’s correlation
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BMC Ear, Nose and Throat Disorders

ISSN: 1472-6815

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