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The proportion of diseases in 2020 compared with the average of the same period in the previous 3 years.
| Disease name | Number ofcases in 2020(proportion) (%) | Average numberof cases in thepast 3 years(proportion) (%) | χ2 | p |
|---|---|---|---|---|
| Chronic pharyngitis | 771 (14.6) | 984 (6.8) | 292.239 | <0.001 |
| Allergic rhinitis | 644 (12.2) | 1106 (7.6) | 100.087 | <0.001 |
| Acute pharyngitis, laryngitis | 540 (10.2) | 2821 (19.5) | 233.924 | <0.001 |
| Chronic rhinitis | 315 (6.0) | 611 (4.2) | 26.592 | <0.001 |
