Table 1 Patients and controls demographics, sensitization status to inhalant allergens and asthma status.
Allergic subjects | Controls | |
|---|---|---|
Mean age (years) | 32 | 24 |
- range | 18-57 | 21-30 |
Females | 38 | 13 |
Males | 27 | 7 |
No. of patients sensitized (skin prick test) to inhalant allergens: | ||
Grass (inclusion criterion) | 65 | 0 |
Birch | 26 | 0 |
- history of birch pollen allergy | 24 | 0 |
- plus allergy to foods cross-reacting with birch | 14 | 0 |
Mugwort | 20 | 0 |
Dog | 34 | 0 |
Cat | 24 | 0 |
Horse | 2 | 0 |
D. pteronyssinus | 26 | 0 |
D. farinae | 17 | 0 |
Alternaria | 9 | 0 |
Cladosporium | 5 | 0 |
Asthma status: | ||
Seasonal | 5 | 0 |
Perennial | 6 | 0 |
Mean onset age (years) | 17 | - |
Outgrown asthma | 5 | 0 |