Hearing aids are still beneficial to patients, even if they have a low speech discrimination
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OTOLOGY
Hearing aids are still beneficial to patients, even if they have a low speech discrimination Hantai Kim1,2 · Oak‑Sung Choo1,2 · Kyeongyeon Park1 · Ga Young Gu1 · Sung‑Hee Park2,3 · Jeong Hun Jang1 · Hun Yi Park1 · Yun‑Hoon Choung1,2,3 Received: 2 January 2020 / Accepted: 26 April 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Purpose A speech discrimination score (SDS) is a predictor for the successful use of hearing aids (HAs). This study is to evaluate the efficacy of HAs in patients with a low or poor SDS. Methods We enrolled 186 ears using HAs, with an unaided SDS ≤ 64%. They were categorized into four groups by their unaided SDS: 0–16% for Group 1, 20–32% for Group 2, 36–48% for Group 3, and 52–64% for Group 4. Aided SDS was measured 1, 3, 6, and 12 months after the use. The Hearing In Noise Test (HINT), the Hearing Handicap Inventory for the Elderly (HHIE), and the International Outcome Inventory for Hearing Aids (IOI-HA) were assessed. Results The SDS increased by 27.4% (12.0 to 39.4%) in Group 1, 26.4% (26.9 to 53.3%) in Group 2, 24.6% (42.2 to 66.8%) in Group 3, and 10.5% (59.5% to 70.0%) in Group 4. HINT composite scores significantly decreased from 22.5 to 15.1 in Group 1, 9.4 to 7.0 in Group 2, and 4.4 to 2.4 in Group 4. Total HHIE score changed from 48.2 to 24.2 in Group 1, 64.0 to 32.8 in Group 2, 37.1 to 16.6 in Group 3, and 55.8 to 40.1 in Group 4 (P
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