| 2004-2006 | 2012-2016 | 2018-2022 | ||||
|---|---|---|---|---|---|---|
| Disease | Distribution | Proportion | Distribution | Proportion | Distribution | Proportion |
| Layngopharyngitis | 77 | 29.96% | 185 | 67.77% | 225 | 54.35% |
| Diseases of tongue | 37 | 14.40% | 5 | 1.83% | 53 | 12.80% |
| Disease of salivary gland | Included in Etc | 12 | 4.40% | 26 | 6.28% | |
| Stomatitis | 49 | 19.07% | 11 | 4.03% | 20 | 4.83% |
| Diseases of vocal cord | 11 | 4.28% | 15 | 5.49% | 16 | 3.86% |
| Taste disorder | Included in Etc | Included in Etc | 16 | 3.86% | ||
| Cheilitis | 19 | 7.39% | 9 | 3.30% | 15 | 3.62% |
| Adenoid hypertrophy | 12 | 4.67% | 5 | 1.83% | 7 | 1.69% |
| Hoarseness | 18 | 7.00% | 6 | 2.20% | 7 | 1.69% |
| Tonsillitis | 18 | 7.00% | 9 | 3.30% | 4 | 0.97% |
| Etc | 16 | 6.23% | 16 | 5.86% | 25 | 6.04% |
| Total | 257 | 273 | 414 | |||