Table 1 Participant demographics
Non-allergic | Birch-allergic | |
|---|---|---|
No. of participants | 19 | 23 |
Age | 30 ± 7 | 37 ± 15 |
Sex (M:F) | 10:9 | 5:18 |
Allergic diseases (%): | ||
Asthma | 0 | 52.2 |
Atopic dermatitis | 0 | 21.7 |
Rhinitis: | ||
Seasonal | 0 | 100 |
Perennial | 0 | 34.8 |
Cat-Induced | 0 | 65.2 |
Pollen food syndrome | 0 | 78 |
SPT-positive (%): | ||
Birch | 0 | 100 |
Grass | 0 | 82.6 |
Cat | 0 | 73.9 |
House dust mite | 0 | 47.8 |
Moulds | 0 | 4.4 |
Birch-specific IgE (k/Ul) | 0 | 31.4 ± 29.9 |