Abstract
To evaluate voice disorder differences between deployed and nondeployed US army soldiers. Cross-sectional study. More than 1.3 million health records of active duty US army soldiers with no history of dysphonia were queried for voice disorder diagnoses over a 3.5-year period. A sample of 292 soldiers was further evaluated for known factors linked to dysphonia. US army soldiers were 1.13 times more likely to have a diagnosis of dysphonia if they were deployed. Risk factors and exposures common to patients with dysphonia were not statistically different between deployed and nondeployed soldiers. Additionally, the type of dysphonia diagnosis was not significantly different between deployed and nondeployed soldiers. US army soldiers deployed to war zones are more likely to be diagnosed with dysphonia. None of the reviewed parameters accounted for the difference in dysphonia rate between deployed and nondeployed soldiers, suggesting that occupational exposures of deployed soldiers account for the increase in the diagnoses of dysphonia.
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