(1a) Investigator-administered tests relating to the tinnitus percept: |
Tinnitus loudness matching |
20 |
4 % |
16 |
3 % |
Tinnitus pitch matching |
9 |
2 % |
22 |
4 % |
Minimum masking level |
5 |
1 % |
12 |
2 % |
Loudness discomfort level |
3 |
1 % |
2 |
0 % |
Tinnitus bandwidth matching |
0 |
- |
2 |
0 % |
(1b) Patient-reported numerical rating scales relating to the tinnitus percept: |
Tinnitus loudness |
37 |
8 % |
24 |
4 % |
Tinnitus pitch |
0 |
- |
2 |
0 % |
(2a) Patient-reported questionnaire instruments relating to the impact of tinnitus: |
Tinnitus Handicap Inventory |
77 |
15 % |
31 |
5 % |
Tinnitus Questionnaire (German version) |
29 |
6 % |
11 |
2 % |
Tinnitus Questionnaire (English version) |
5 |
1 % |
0 |
- |
Tinnitus Functional Index |
18 |
4 % |
3 |
1 % |
Tinnitus Beeinträchtigungs Fragebogen
|
13 |
3 % |
8 |
1 % |
Tinnitus Severity Index |
12 |
2 % |
1 |
0 % |
Tinnitus Reaction Questionnaire |
11 |
2 % |
2 |
0 % |
Tinnitus Handicap Questionnaire |
8 |
2 % |
5 |
1 % |
Mini-Tinnitus Questionnaire |
6 |
1 % |
0 |
- |
Tinnitus Effects Questionnaire |
2 |
0 % |
0 |
- |
Tinnitus diary |
2 |
0 % |
0 |
- |
Tinnitus Psychological Impact Questionnaire |
2 |
0 % |
0 |
- |
Tinnitus Severity Scale |
0 |
- |
6 |
1 % |
Tinnitus Acceptance Questionnaire |
0 |
- |
6 |
1 % |
(2b) Patient-reported numerical rating scales relating to the impact of tinnitus: |
Tinnitus distress |
7 |
2 % |
8 |
1 % |
Tinnitus annoyance |
21 |
4 % |
14 |
2 % |
Tinnitus awareness |
10 |
2 % |
2 |
0 % |
(3) Patient-reported questionnaire instruments relating to other co-occurring complaints: |
Beck Depression Inventory |
7 |
1 % |
13 |
2 % |
Hospital Anxiety and Depression Scale |
7 |
1 % |
27 |
5 % |
Perceived Stress Questionnaire |
3 |
1 % |
0 |
- |
Spielberger State and Trait Anxiety Inventory |
3 |
1 % |
3 |
1 % |
Brief-Coping with Problems Experienced |
2 |
0 % |
0 |
- |
Pittsburgh Sleep Quality Index |
2 |
0 % |
2 |
0 % |
Hearing Handicap Inventory |
1 |
0 % |
4 |
1 % |
Hyperacusis questionnaire (undefined) |
1 |
0 % |
2 |
0 % |
Attention and Performance Self-assessment Scale |
0 |
- |
2 |
0 % |
Befindlichkeitsskala
|
0 |
- |
2 |
0 % |
Cognitive Failures Questionnaire |
0 |
- |
2 |
0 % |
Depression Anxiety and Stress Scale |
0 |
- |
3 |
1 % |
Insomnia Severity Index |
0 |
- |
7 |
1 % |
Major Depression Inventory |
0 |
- |
5 |
1 % |
Sleep Questionnaire (undefined) |
0 |
- |
3 |
1 % |
(4a) Patient-reported questionnaire instruments relating to health-related quality of life: |
Clinical Global Impression Scale |
4 |
1 % |
14 |
2 % |
36-item short form Health Survey |
2 |
0 % |
6 |
1 % |
WHOQOL-BREF |
0 |
- |
10 |
2 % |
EuroQoL |
0 |
- |
2 |
0 % |
Quality of Life Inventory |
0 |
- |
2 |
0 % |
(4b) Patient-reported numerical rating scales relating to health-related quality of life: |
Quality of Life (tinnitus) |
5 |
1 % |
6 |
1 % |
Quality of Life |
4 |
1 % |
1 |
0 % |
(5) Technical and laboratory measurements relating to body structures and functions: |
Pure tone audiometry |
15 |
3 % |
23 |
4 % |
Speech audiometry (various types) |
6 |
1 % |
11 |
2 % |
Electroencephalography |
4 |
1 % |
5 |
1 % |
Blood chemistry |
2 |
0 % |
10 |
2 % |
Positron Emission Tomography |
2 |
0 % |
0 |
- |
Electrocardiogram |
1 |
0 % |
4 |
1 % |
Digit symbol test |
1 |
0 % |
2 |
0 % |
Blood drug levels |
0 |
- |
4 |
1 % |
Magnetic Resonance Imaging |
0 |
- |
3 |
1 % |
Otological examination |
0 |
- |
4 |
1 % |
Otoscopy |
0 |
- |
2 |
0 % |
Psychoacoustic assessment (undefined) |
0 |
- |
3 |
1 % |
Tympanometry |
0 |
- |
2 |
0 % |
Urine analysis |
0 |
- |
2 |
0 % |
(6) Measures of adverse events or harms: |
Adverse events/Side effects |
4 |
1 % |
30 |
5 % |
(7) Measures of satisfaction: |
No instruments reported |
(8) Measurement instruments of treatment-related outcomes: |
Withdrawal rate |
2 |
0 % |
2 |
0 % |
(9) Measurement of interest unclear or not specified by the authors: |
Cannot code |
20 |
4 % |
52 |
9 % |
Other numerical rating scale (undefined) |
18 |
4 % |
29 |
5 % |
Questionnaire (authors’ own) |
15 |
3 % |
13 |
2 % |
Numerical rating scale of tinnitus severity |
12 |
2 % |
1 |
0 % |
Not specified |
8 |
2 % |
18 |
3 % |
Total |
505 |
87 % |
579 |
85 % |