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Prevalidation of the First German Version of the Vocal Fatigue Index (VFI)

NCT03378609 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 81

Last updated 2024-05-16

No results posted yet for this study

Summary

Vocal fatigue has been described as a common complaint in patients with voice disorders, however to date there is no standardized questionnaire in german language to assess specific symptoms. Main aim of this study is to assess the validity of the first german version of the Vocal Fatigue Index (VFI), and english questionnaire developed for voice patients to assess vocal fatigue.

In this study patients with voice disorders will receive the patient based questionnaires "Vocal Fatigue Index (VFI)", "Voice Handicap Index 9 international (VHI 9i)" and "Vocal Tract Discomfort Scale (VTD)", the study information and consent letter together with the standard invitation letter to a voice assessment at the Department for Phoniatrics and Speech Pathology University Hospital Zurich. Data of 93 consecutive volunteering patients will be collected. Furthermore a retest using the VFI will be conducted after 1 week with 10 volunteers. Thereafter construct validity of the VFI as compared to the established voice symptom questionnaires VHI 9i and VTD will be investigated. Further test-retest reliability will be determined.

Conditions

  • Vocal Fatigue

Interventions

OTHER

Vocal Fatigue Index (VFI)

collection of 190 consecutive data sets, participants give separate consent for participating a retest or an interview, retest will be realised with the 10 following volunteers

Sponsors & Collaborators

  • University of Zurich

    lead OTHER

Study Design

Allocation
NA
Purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Max Age
99 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2018-12-01
Primary Completion
2022-12-31
Completion
2023-03-08

Countries

  • Switzerland

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03378609 on ClinicalTrials.gov