Table 1 Baseline characteristics of study patients (N = 101)
Demographic characteristics | |
Age (years), mean (SD) | 28.0 (14.6) |
Age groups, No. (%) | |
Children (≤ 14 years) | 28 (27.7) |
Adults (> 14 years) | 73 (72.3) |
Gender, No. (%) | |
Female | 48 (47.5) |
Male | 53 (52.5) |
Clinical characteristics | |
Time from onset of symptoms to diagnosis (years), mean (SD) | 8.6 (7.1) |
Frequency of symptoms, No. (%) | |
Perennial | 69 (68.3) |
Seasonal | 32 (31.7) |
Respiratory allergic diseasea, No. (%) | |
Rhinitis | 74 (74.7) |
Asthma | 2 (2.0) |
Rhinitis and asthma | 23 (23.2) |
Severity of rhinitis, No. (%) | |
Mild intermittent | 28 (29.5) |
Mild persistent | 31 (32.6) |
Moderate-severe intermittent | 7 (7.4) |
Moderate-severe persistent | 29 (30.5) |
Severity of asthma, No. (%) | |
Mild intermittent | 14 (56.0) |
Mild persistent | 4 (16.0) |
Moderate intermittent | 0 (0.0) |
Moderate persistent | 7 (28.0) |
Food allergy, No. (%) | 7 (6.9) |
History of previous allergy, No. (%) | 9 (9.0) |
Family history of allergy, No. (%) | 41 (41.0) |