Baseline characteristics of the patients
| Sex | |
| Male (%) | 1115 (77.6) |
| Female | 321 |
| Mean age (years)±SD | 15.8±8.9 |
| Mean age of onset (years)±SD | 8.3±4.2 |
| Allergic complications (%) | |
| Allergic rhinitis | 337 (23.5) |
| Asthma | 253 (17.6) |
| Pretreatment (%) | |
| Antiallergic eye drop | 784 (54.6) |
| Topical steroids | 765 (53.3) |
| Topical cyclosporine | 507 (35.3) |