Table 4. Prevalence of tinnitus in previous reports.
| Authors | Year | Sample | Prevalence of any tinnitus |
Prevalence of severe tinnitus |
| MRCIHR9 | 1981 | England, 19 000 persons aged over 17 years | 17.0% | 8.0% |
| Axelsson et al10 | 1989 | Sweden, 2378 persons aged 20–80 years | 14.2% | 2.4% |
| Quaranta et al11 | 1996 | Italy, 2170 persons aged over 18 years | 14.5% | |
| Shargorodsky et al4 | 2010 | USA, 1999–2004 NHANES, 14 178 persons aged over 20 years | 25.3% | 7.9% |
| Michikawa et al1 | 2010 | Japan, 1320 persons aged over 65 years | 18.6% | |
| Kehdr et al3 | 2010 | Egypt, 8484 persons aged over 6 years | 5.17% | 0.8% |
| Xu et al13 | 2011 | China, 6333 persons aged over 10 years | 14.5% | |
| Fuji et al32 | 2011 | Japan, 14 423 persons aged 45–79 years | 11.9% | 0.4% |
| This study | South Korea, 21 893 persons aged over 12 years | 19.7% | 5.8% |
MRCIHR, Medical Research Council’s Institute of Hearing Research; NHANES, National Health and Nutrition Examination Survey.