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Research Article
December 2012

Psychometric Evaluation of Visual Analog Scale for the Assessment of Chronic Tinnitus

Publication: American Journal of Audiology
Volume 21, Number 2
Pages 215-225

Abstract

Purpose

The development of therapeutic interventions for chronic tinnitus requires sensitive and clinically responsive tools to measure treatment-induced changes in tinnitus loudness and annoyance. In this study, the authors evaluated the psychometric properties of patient-reported visual analog scales (VAS) for measuring subjectively perceived tinnitus loudness and annoyance.

Method

The authors analyzed data from a single-blind, randomized, placebo-controlled study of acoustic coordinated reset (CR) neuromodulation in patients with chronic tinnitus (trial registration: “Randomized Evaluation of Sound Evoked Treatment of Tinnitus [RESET] study”; ClinicalTrials.gov identifier: NCT00927121) to assess the reliability, validity, and minimally clinically identifiable difference (MCID) of the VAS loudness and VAS annoyance. The VAS loudness and VAS annoyance were completed at screening, at baseline, and at 5 visits during the 16 weeks of the clinical study. Data were analyzed with respect to test–retest reliability, validity, and MCID.

Results

VAS loudness and VAS annoyance showed good test-retest reliability of .8 and .79, respectively. In terms of convergent validity, VAS loudness and VAS annoyance correlated well with the tinnitus questionnaire at all clinical visits (max r = .67, p < .05). MCID estimates clustered between 10 and 15 points.

Conclusion

VAS loudness and VAS annoyance are valid and effective measurements for capturing reductions in tinnitus severity in patients with chronic tinnitus.

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Information & Authors

Information

Published In

American Journal of Audiology
Volume 21Number 2December 2012
Pages: 215-225

History

  • Received: Mar 2, 2012
  • Revised: Jun 4, 2012
  • Accepted: Jun 22, 2012
  • Published in issue: Dec 1, 2012

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Key Words

  1. tinnitus
  2. tinnitus assessment
  3. visual analog scale
  4. coordinated reset (CR) neuromodulation
  5. minimal clinically identifiable difference
  6. receiver operating characteristic

Authors

Affiliations

Ilya Adamchic [email protected]
Institute of Neuroscience and Medicine, Neuromodulation Research Center, Jülich, Germany
Berthold Langguth
University of Regensburg, Germany
Interdisciplinary Tinnitus Clinic, University of Regensburg, Germany
Christian Hauptmann
Institute of Neuroscience and Medicine, Neuromodulation Research Center, Jülich, Germany
Peter Alexander Tass
Institute of Neuroscience and Medicine, Neuromodulation Research Center, Jülich, Germany
University of Cologne, Germany

Notes

Disclosure Statement
Christian Hauptmann and Peter Alexander Tass have a contractual relationship with ANM Adaptive Neuromodulation GmbH.
Correspondence to Ilya Adamchic: [email protected]
Editor and Associate Editor: Larry Humes

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