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 |