Table 5 Listing of all unique measurement methods used to assess the most common outcomes in the Dodd’s taxonomy life impact #30, global quality of life category [90]. Only those domains where there was more than 1 report of the outcome measurement instrument are selected for reporting here. See Additional file 10 for full details
Measurement methods (n > 1) split by outcome domains and type of method | Primary outcomes | Secondary outcomes | |
|---|---|---|---|
Tinnitus-symptom severity, PROM | |||
Multi-item questionnaire | Tinnitus Handicap Inventory (THI) | 7 | 1 |
Tinnitus Questionnaire (TQ) | 2 | 1 | |
Tinnitus Questionnaire (TQ), German version | 3 | - | |
Tinnitus Reaction Questionnaire (TRQ) | 3 | - | |
Hearing disabilities, PROM | |||
Multi-item questionnaire | Speech, Spatial and Qualities of Hearing (SSQ) | 8 | - |
Disease-specific quality of life, PROM | |||
Multi-item questionnaire | Bern Benefit in Single Sided Deafness (BBSS) questionnaire | 1 | 1 |
Glasgow Benefit Inventory (GBI) | 3 | 2 | |
Nijmegen Cochlear Implant Questionnaire (NCIQ) | 1 | 2 | |
Single Sided Deafness (SSD) questionnaire | 4 | - | |
Multi-item, multi-domain questionnaire (author's own) | - | 2 | |