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Published in: BMC Health Services Research 1/2016

Open Access 01-12-2016 | Research article

Evaluation of 5536 patients treated in an integrative outpatient tinnitus treatment center–immediate effects and a modeling approach for sustainability

Authors: Thomas Ostermann, Katja Boehm, Martin Kusatz

Published in: BMC Health Services Research | Issue 1/2016

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Abstract

Background

Tinnitus is an increasingly serious problem for health care systems. According to epidemiological data, 7–14 % of outpatients have asked their physician about tinnitus and management strategies. Integrative outpatient treatments are currently regarded as promising therapeutic approaches for managing tinnitus. In this article we report on the treatment success of an outpatient tinnitus treatment center in Germany.

Methods

This cohort study included pre-post data of 5536 outpatients which were treated between 2003 and 2010 in the tinnitus-therapy center, Krefeld-Düsseldorf (TTZ). The intervention consisted of psychological immunization training as well as an auditory stimulation therapy component. The main outcome parameter was the score of the Tinnitus Questionnaire (TQ) which was assessed before and after a 9 days treatment and (in a small subsample) at a 6 months follow-up. Missing data were multiply imputed. Pre-post effect sizes were calculated and adjusted for regression to the mean (RTM).

Results

RTM-adjusted treatment effects at the end of treatment were estimated as −18.6 (CI: −18.9 to 18.2, p < 0.001) score points which corresponds to a standardized effect of d = −1.03 (CI: −1.05 to −1.01). These effects can be corroborated in various subgroups and all subscales of the TQ (d ranging from −0.31 to −0.97).

Conclusion

The study suggests the effectiveness of this outpatient tinnitus therapy concept. Multiple imputations techniques and RTM analysis were helpful in carving out true treatment effects.
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Metadata
Title
Evaluation of 5536 patients treated in an integrative outpatient tinnitus treatment center–immediate effects and a modeling approach for sustainability
Authors
Thomas Ostermann
Katja Boehm
Martin Kusatz
Publication date
01-12-2016
Publisher
BioMed Central
Published in
BMC Health Services Research / Issue 1/2016
Electronic ISSN: 1472-6963
DOI
https://doi.org/10.1186/s12913-016-1644-7

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