N. CALHOUNKARENMDB. KUPPERSMITHRONALDMD
The author fails to clearly define the term "conventional analog aids." There are mainly 3 types of hearing aids: digital aids, digitally programmable aids, and nonprogrammable analog aids. According to a well-known MarkeTrak study (MarkeTrak V),1 satisfaction with programmable technology is 16% higher than with nonprogrammable aids. Regarding cost-effectiveness, it would have been well for the author to have included results from a relevant study by Newman and Sandridge.2
Hough J. There Is No Such Thing as an "Average" Patient: Hearing Aid Technology Should Be Determined on a Case-by-Case Basis. Arch Otolaryngol Head Neck Surg. 2000;126(11):1399. doi:10.1001/archotol.126.11.1399
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