Cochrane · systematic review · CD012665

Bilateral versus unilateral hearing aids for bilateral hearing impairment in adults

Schilder, AGM, Chong, LY, Ftouh, S, et al. · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library

ENTAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
8
current version
GRADE rated
4
No studies
4
Included studies
NR
No studies 4 · 50%Ungraded 0 · 0%Very low 4 · 50%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Bilateral versus unilateral hearing aids for hearing loss in adults

Population: adults with hearing loss
8 questions
OutcomeEffectEvidenceStatus / GRADE
Patient preference № of participants: 178 (4 RCTs) Total of 8 to 12 weeks
Bilateral vs unilateral hearing aids
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision
Hearing‐specific HRQL
Bilateral vs unilateral hearing aids
no estimate extractedNRNo studies
Adverse effects: pain or discomfort in the ear, initiation or exacerbation of middle or outer ear infection
Bilateral vs unilateral hearing aids
no estimate extractedNRNo studies
Usage of hearing aids (including data logging and self‐report) № of participants: 56 (1 study)
Bilateral vs unilateral hearing aids
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision
Generic HRQL ‐ not measured
Bilateral vs unilateral hearing aids
no estimate extractedNRNo studies
Listening ability
Bilateral vs unilateral hearing aids
no estimate extractedNRNo studies
Sound localisation as measured by (non‐validated) questionnaire № of participants: 56 (1 study)
Bilateral vs unilateral hearing aids
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision
Speech in noise detection as measured by (non‐validated) questionnaire № of participants: 56 (1 study)
Bilateral vs unilateral hearing aids
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision