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Prevalence of Somatosensory Tinnitus in Veterans With Tinnitus
Sarah M Theodoroff1,2, Garnett P McMillan1, Melissa T Frederick1
1VA RR&D National Center for Rehabilitative Auditory Research, VA Portland Health Care System, Portland, Oregon, USA.
Objectives:
The primary objective was to estimate the prevalence of somatosensory tinnitus (ST) among Veterans with tinnitus.
Design:
Three hundred four Veterans with tinnitus were phone screened for ST by performing and reporting on a series of head/neck/jaw maneuvers. A random sample of 12 individuals who screened positive and five who screened negative attended an in-person visit to confirm the presence/absence of ST.
Results:
Of the 304 Veterans, 12 could not complete the screening maneuvers, 205 screened positive, and 87 screened negative. A Bayesian estimator that combines phone screening and in-person exam results establishes the prevalence of ST among Veterans with tinnitus at 56% with a 90% Bayesian confidence interval of 45% to 65%.
Conclusions:
At least half of Veterans with tinnitus have ST, suggesting that a sizable at-need population exists. Treatment addressing the biomechanical component has the potential to improve tinnitus symptoms.
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