Evaluation of the Nijmegen Cochlear Implant Questionnaire in Danish.

 The Nijmegen cochlear implant questionnaire (NCIQ) is a quantifiable self-assessment health-related quality of life (HRQoL) tool used internationally to determine quality of life (QoL) in cochlear implant (CI) users and to evaluate the implant's subjective benefits.  This study aimed to validate the Danish version of the questionnaire (DA-NCIQ) with a test-retest including 60 participants (30 CI users and 30 CI candidates).  The intraclass correlation coefficients (ICC) were calculated to evaluate the temporal stability of the participants' answers and the internal consistency of the questionnaire domains was determined using the Cronbach alpha in order to compare these results with the NCIQ's other language versions.

Comparison of hearing-aid effectiveness based on user-operated versus traditional audiometry: a randomised clinical trial.

Objective: To investigate whether hearing-aid fitting based on user-operated audiometry is non-inferior to hearing-aid fitting based on traditional audiometry.

Design: This non-inferiority randomised clinical trial, took place at Odense University Hospital, Odense, Denmark. In a first visit, participants were tested with traditional audiometry as well as user-operated audiometry and filled in the Speech, Spatial and Qualities of Hearing Scale (SSQ12) at baseline.

Development and evaluation of a novel user-operated slider-based audiometry method.

Objective: To evaluate a novel user-operated audiometry method allowing users full control in determining their pure-tone hearing thresholds.

Design: Comparative study. Participants were recruited from a hearing clinic after undergoing manual audiometry (six frequencies).

Labor market effects of rehabilitation for patients diagnosed with dizziness - a Danish nationwide register-based cohort study.

Purpose: Both vestibular neuronitis (VN) and Meniere's disease (MD) have great impact on quality of life and are associated with a significant number of sick leave days absent from work. The aim was to assess labor market participation rate one year after hospital diagnosis of VN and MD and the use of rehabilitation measures.

Study Design: Nationwide register-based cohort study including patients with VN (n = 1,341) and MD (n = 843) and control persons matched in 1:5 with a VN cohort control (n = 6,683) and MD cohort control (n = 4,209).

The PATCH study: Prevalence of Hearing Loss During Ageing and Treatment Choices in Osteogenesis Imperfecta: A Danish Nationwide Register-Based Cohort Study.

Osteogenesis imperfecta (OI) is a group of rare hereditary collagen disorders. Hearing loss (HL) is a known complication linked to changes in the bones of the middle ear seen in OI. We aimed to determine the prevalence, age at debut, incidence, and risk of HL, surgery on bones of the middle ear, and use of hearing aids.

Auditory Profile-Based Hearing Aid Fitting: Self-Reported Benefit for First-Time Hearing Aid Users.

Although hearing aids (HAs) can compensate for reduced audibility, functional outcomes and benefits vary widely across individuals. As part of the Danish 'Better hEAring Rehabilitation' (BEAR) project, four distinct auditory profiles differing in terms of audiometric thresholds and supra-threshold hearing abilities were recently identified. Additionally, profile-specific HA-fitting strategies were proposed.

Hearing Loss, Hearing Aid Use, and Risk of Dementia in Older Adults.

Importance: Hearing loss has been suggested as a risk factor for dementia, but there is still a need for high-quality research to better understand the association between these 2 conditions and the underlying causal mechanisms and treatment benefits using larger cohorts and detailed data.

Objective: To investigate the association between hearing loss and incident dementia, as well as how hearing aid use contributes to this association.

Design, Setting, And Participants: This population-based cohort study was conducted in Southern Denmark between January 2003 and December 2017 and included all residents 50 years and older.

Health position paper and redox perspectives - Disease burden by transportation noise.

Transportation noise is a ubiquitous urban exposure. In 2018, the World Health Organization concluded that chronic exposure to road traffic noise is a risk factor for ischemic heart disease. In contrast, they concluded that the quality of evidence for a link to other diseases was very low to moderate.

Difference in SII provided by initial fit and NAL-NL2 and its relation to self-reported hearing aid outcomes.

Objective: The speech intelligibility index (SII) is used to quantify the audibility of the speech. This study examined the relationship between self-reported hearing aid (HA) outcomes and the difference in aided SII (SII) calculated from the initial fit (IF) gain and that prescribed as per the second generation of National Acoustic Laboratory Non-Linear (NAL-NL2).

Design: A prospective observational study.

A history of occupational noise exposure is associated with steep-slope audiograms and poorer self-reported hearing-aid outcomes.

Objective: To investigate the effects of previous occupational noise exposure in older adults with hearing loss on (1) audiometric configuration and acoustic reflex (AR) thresholds and (2) self-reported hearing abilities and hearing aid (HA) effectiveness.

Design: A prospective observational study.

Study Sample: The study included 1176 adults (≥60 years) with bilateral sensorineural hearing loss.

AMTASTM and user-operated smartphone research application audiometry-An evaluation study.

Objective: To evaluate two user-operated audiometry methods, the AMTASTM PC-based audiometry and a low-cost smartphone audiometry research application (R-App).

Design: A repeated-measures within-subject study design was used to compare both user-operated methods to traditional manual audiometry and to evaluate test-retest reliability of each method.

Study Sample: 58 subjects were recruited in the study of which 83 ears had normal hearing thresholds and 33 ears had hearing loss (pure-tone average > 25 dB HL).

Adapting to New Hearing Aids and Hearing Aid Adjustments in Adult Danish Users.

Purpose: This study was aimed at understanding the effect of time taken to adapt to the new hearing aids (HAs) and the timeline of HA adjustments performed over more than a year of rehabilitation on self-reported HA outcomes.

Method: A self-report of the time it took to get accustomed to the new HAs and adjustment of the HAs during a year of rehabilitation collected from 690 HA users using a nonstandardized questionnaire were analyzed. The abbreviated version of the Speech, Spatial, and Quality of Hearing questionnaire and the International Outcome Inventory for Hearing Aids were used as the self-reported HA outcome.

Impact of hearing aid technology level at first-fit on self-reported outcomes in patients with presbycusis: a randomized controlled trial.

To provide clinical guidance in hearing aid prescription for older adults with presbycusis, we investigated differences in self-reported hearing abilities and hearing aid effectiveness for premium or basic hearing aid users. Secondly, as an explorative analysis, we investigated if differences in gain prescription verified with real-ear measurements explain differences in self-reported outcomes. The study was designed as a randomized controlled trial in which the patients were blinded towards the purpose of the study.

The effect of hearing aid treatment on health-related quality of life in older adults with hearing loss.

Objective: To investigate the effect of hearing aid (HA) intervention on long-term health-related quality of life (HRQoL) changes in first-time and experienced HA users using the 15D questionnaire. Secondly, the study explored the relationship between clinical parameters and changes in 15D scores.

Design: A prospective observational study.

Sudden Sensorineural Hearing Loss Following Immunization With BNT162b2 or mRNA-1273: A Danish Population-Based Cohort Study.

Objective: To compare the occurrence of sudden sensorineural hearing loss following immunization with BNT162b2 (Comirnaty®; Pfizer BioNTech) or mRNA-1273 (Spikevax®; Moderna) to the occurrence among unvaccinated individuals.

Study Design: Cohort study.

Setting: Nationwide Danish health care registers comprised all Danish residents living in Denmark on October 1, 2020, who were 18 years or older or turned 18 in 2021.

Value Propositions of Public Adult Hearing Rehabilitation in Denmark.

To obtain and evaluate detailed descriptions of potential value propositions as seen by adults undergoing hearing rehabilitation with hearing aids. Semi-structured interviews with patients and audiologists, a literature search, and the inclusion of domain knowledge from experts and scientists were used to derive value propositions. A two-alternative forced-choice paradigm and probabilistic choice models were used to investigate hearing aid users' preferences for the value propositions through an online platform.

Self-Reported Hearing-Aid Use Patterns in an Adult Danish Population.

The retrospective reporting of users' hearing aid (HA) usage can provide insight into individualized HA usage patterns. Understanding these HA usage patterns can help to provide a tailored solution to meet the usage needs of HA users. This study aims to understand the HA usage pattern in daily-life situations from self-reported data and to examine its relationship to self-reported outcomes.

Ambient Noise in Candidate Rooms for User-Operated Audiometry.

Hearing loss is a widespread problem while treatment is not always accessible, mainly because of the limited availability of hearing care professionals and clinics. In this work, part of the User-Operated Audiometry project, we investigate the acoustic environment of inexpensive non-sound-treated rooms that could be used for unsupervised audiometric testing. Measurements of 10 min of ambient noise were taken from 20 non-sound-treated rooms in libraries and private and public clinics, nine of which were measured twice.

Transportation Noise and Risk of Tinnitus: A Nationwide Cohort Study from Denmark.

Background: There is a growing body of evidence linking residential exposure to transportation noise with several nonauditory health outcomes. However, auditory outcomes, such as tinnitus, are virtually unexplored.

Objectives: We aimed to investigate the association between residential transportation noise and risk of incident tinnitus.

Study protocol for a randomised controlled trial evaluating the benefits from bimodal solution with cochlear implant and hearing aid versus bilateral hearing aids in patients with asymmetric speech identification scores.

Introduction: Cochlear implant (CI) and hearing aid (HA) in a bimodal solution (CI+HA) is compared with bilateral HAs (HA+HA) to test if the bimodal solution results in better speech intelligibility and self-reported quality of life.

Methods And Analysis: This randomised controlled trial is conducted in Odense University Hospital, Denmark. Sixty adult bilateral HA users referred for CI surgery are enrolled if eligible and undergo: audiometry, speech perception in noise (HINT: Hearing in Noise Test), Speech Identification Scores and video head impulse test.

User-operated audiometry - an evaluation of expert vs. non-expert headphone placement.

Objective: User-operated audiometry faces multiple barriers. One of these is the concern of audiologists that patients (non-experts) placing headphones by themselves results in invalid hearing thresholds due to greater placement variability.

Design: Comparative study.

Can real-ear insertion gain deviations from generic fitting prescriptions predict self-reported outcomes?

Objective: The aim of this study was to determine whether the differences in insertion gains from the first fit to generic prescriptions of hearing aids can predict the self-reported hearing aid (HA) outcomes for first-time and experienced HA users.

Design: This was a prospective observational study.

Study Sample: The study included 885 first-time and 330 experienced HA users with a valid real-ear measurement on both ears and answers to the abbreviated version of the Speech, Spatial, and Quality of Hearing (SSQ12) and the International Outcome Inventory for Hearing Aids (IOI-HA) questionnaires.

Monaural and binaural phase sensitivity in school-age children with early-childhood otitis media.

Objective: Previous research has linked recurrent otitis media (OM) during early childhood to reduced binaural masking level differences (BMLDs) in school-age children. How this finding relates to monaural processing abilities and the individual otologic history has not been investigated systematically. The current study, therefore, addressed these issues.