Table 3. Frequency of comorbid diseases.
| Comorbid disease | No. (%) |
|---|---|
| Sinusitis | 17 (8.9) |
| Asthma | 22 (11.5) |
| Urticaria | 36 (18.8) |
| Dermatitis | 32 (16.8) |
| Food allergy | 10 (5.2) |
| Angioedema | 8 (4.2) |
| Drug allergy | 5 (2.6) |
| Otitis media | 6 (3.1) |
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