Table 1.
Epidemiological features of hyperacusis within the selected studies. Under the Study column, the symbol “R” corresponds to Retrospective study, while the symbol “P” to Prospective study. In the last column, the symbols F and M next to the patient numbers correspond to “Female” and “Male”. %♀ = percentage of females affected by hyperacusis, %♂ = percentage of females affected by hyperacusis.
| n | Author | Year | Country | Study | Mean Age | Total Cohort |
Gender | Affected | %♀ | %♂ | Pure Tone Audiometry (Outcomes) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Guimarães AC et al. [16] | 2013 | BRAZIL | R | 53 | 309 | 169 F; 140 M | 57 (26 F; 31 M) |
15.3% | 22.4 | Performed but not described |
| 2 | Fioretti AB et al. [17] | 2013 | ITALY | P | 57.2+/−14.1 | 37 | 19 F; 18 M | 20 (10 F; 10 M) |
52.6% | 55.5 | 2 normal HL9 SNHL |
| 3 | Dauman R et al. [6] | 2005 | FRANCE | P | 52/54 | 249 | 105 F; 144 M | 197 (81 F; 116 M) |
77.1% | 80.5 | The hearing loss did not correlate directly with the level of hyperacusis |
| 4 | de Magalhães SL et al. [18] | 2003 | BRAZIL | P | 55,32 | 9 | 8 F; 1 M | 8 (8 F; 0 M) |
100% | 0 | Normal HL |
| 2003–2013 | 604 | 301 F; 303 M | 282 (125 ♀; 157 ♀) |
41.5% | 51.8 |