Table 4.
Distribution of comorbidities in patients with tinnitus and their matched controls: head and neck disorders
| Tinnitus cases (%) | Tinnitus-free controls (%) | OR crude (95% CI) | OR adjusteda (95% CI) | |
|---|---|---|---|---|
| Tension-type headache | ||||
| ≤30 days prior to (includigng) the ID | 104 (0.1) | 9 (0.0) | 11.72 (5.93–23.17) | 11.71 (5.92–23.19) |
| 31 to 360 days prior to the ID | 359 (0.3) | 145 (0.1) | 2.53 (2.09–3.07) | 2.52 (2.07–3.06) |
| >360 days prior to the ID | 3331 (3.0) | 2176 (2.0) | 1.58 (1.49–1.67) | 1.54 (1.46–1.63) |
| Concussion | ||||
| ≤30 days prior to (includigng) the ID | 25 (0.0) | <5b (0.0) | 8.31 (2.51–27.47) | 8.45 (2.54–28.05) |
| 31 to 360 days prior to the ID | 39 (0.0) | 19 (0.0) | 2.05 (1.19–3.55) | 2.10 (1.21–3.66) |
| >360 days prior to the ID | 539 (0.5) | 497 (0.5) | 1.09 (0.96–1.23) | 1.09 (0.96–1.23) |
| Temporomandibular joint disorders | ||||
| ≤30 days prior to (includigng) the ID | 115 (0.1) | 17 (0.0) | 6.84 (4.11–11.38) | 6.63 (3.98–11.06) |
| 31 to 360 days prior to the ID | 308 (0.3) | 144 (0.1) | 2.17 (1.78–2.64) | 2.09 (1.71–2.56) |
| >360 days prior to the ID | 2323 (2.1) | 1501 (1.4) | 1.58 (1.48–1.68) | 1.54 (1.44–1.64) |
| Whiplash | ||||
| ≤30 days prior to (includigng) the ID | 86 (0.1) | 15 (0.0) | 5.80 (3.35–10.04) | 5.39 (3.11–9.34) |
| 31 to 360 days prior to the ID | 345 (0.3) | 232 (0.2) | 1.51 (1.27–1.78) | 1.48 (1.25–1.75) |
| >360 days prior to the ID | 4517 (4.1) | 3778 (3.4) | 1.21 (1.16–1.27) | 1.20 (1.15–1.25) |
| Cervicalgia | ||||
| ≤30 days prior to (includigng) the ID | 985 (0.9) | 210 (0.2) | 5.17 (4.45–6.01) | 5.04 (4.33–5.86) |
| 31 to 360 days prior to the ID | 3000 (2.7) | 1740 (1.6) | 1.89 (1.78–2.01) | 1.82 (1.72–1.94) |
| >360 days prior to the ID | 18,075 (16.5) | 13,399 (12.2) | 1.50 (1.46–1.54) | 1.47 (1.44–1.51) |
| Migraine | ||||
| ≤30 days prior to (includigng) the ID | 346 (0.3) | 80 (0.1) | 4.54 (3.56–5.79) | 4.38 (3.43–5.60) |
| 31 to 360 days prior to the ID | 1045 (1.0) | 603 (0.6) | 1.83 (1.65–2.02) | 1.77 (1.59–1.95) |
| >360 days prior to the ID | 9519 (8.7) | 7160 (6.5) | 1.39 (1.35–1.44) | 1.37 (1.32–1.41) |
| Cranial nerve disorders | ||||
| ≤30 days prior to (includigng) the ID | 90 (0.1) | 21 (0.0) | 4.32 (2.69–6.95) | 4.33 (2.69–6.98) |
| 31 to 360 days prior to the ID | 342 (0.3) | 177 (0.2) | 1.95 (1.63–2.35) | 1.90 (1.58–2.29) |
| >360 days prior to the ID | 2286 (2.1) | 1772 (1.6) | 1.30 (1.22–1.39) | 1.30 (1.22–1.39) |
Notes: aAdjusted for BMI category, smoking status, alcohol consumption. bFor confidentiality reasons, we do not provide the number of patients in categories containing less than five patients.
Abbreviations: CI, confidence interval; ID, index date; NA, not available; OR, odds ratio.