Table 2 Overview of primary and secondary outcome measures
| Baseline | Follow-up | Measuring tool | Completed by | |
|---|---|---|---|---|
| Primary outcome measure | ||||
| Tinnitus-related distress | X | X | Tinnitus Questionnaire | Patient |
| Secondary outcome measure | ||||
| TMJ pain | X | X | TMD pain screener | Patient |
| Myalgia | X | X | DC/TMD | Researcher |
| Arthralgia | X | X | DC/ TMD | Researcher |
| Pressure sensitivity | X | X | Pressure algometer (Somedic), kPa | Researcher |
| Mouth opening | X | X | Ruler, cm | Researcher |
| Hearing loss | X |
Pure Tone audiometry Speech in noise test | Audiologist | |
| Psychoacoustic tinnitus analysis | X | X | Type of tinnitus, tinnitus pitch and tinnitus loudness | Audiologist |
| Tinnitus severity | X | Tinnitus Functional Index | Patient | |
| Subjective tinnitus loudness | X | X | Visual Analogue Scale (0–100 mm) | Patient |
| State of anxiety and depression | X | Hospital Anxiety and Depression Scale | Patient | |
| Hyperacusis | X | Hyperacusis Questionnaire | Patient | |
| Auditory event-related potential | X | X | Auditory event-related potential | Researcher |
| General tinnitus characteristics such as duration of the complaints, localisation (unilateral, bilateral, central), somatic modulation, temporal relation with TMD, bruxism periods | X | Medical history | ENT | |
