Table 2 Results of SPT’s in all centres
From: Are allergen batch differences and the use of double skin prick test important?
SPT Batch 1 | Random Sample N = 708 | Symptom Sample N = 427 | Current Asthma N =277 | |||
|---|---|---|---|---|---|---|
Prick 1 | Prick 2 | |||||
Allergen | N | Pos (%) | Pos (%) | % pos | % pos | % pos |
Cladosporium | 1021 | 14 (1.4) | 17 (1.7) | 1.1 | 1.9 | 3.9 |
Alternaria | 1076 | 45 (4.2) | 46 (4.3) | 1.9 | 8.5 | 12.6 |
Mugwort | 1135 | 70 (6.2) | 70 (6.2) | 4.5 | 8.9 | 10.5 |
Grass pollen | 1135 | 268 (23.6) | 270 (23.8) | 17.7 | 33.5 | 39.0 |
Birch pollen | 1135 | 171 (15.1) | 164 (14.4) | 11.6 | 20.8 | 22.7 |
D. Farinae | 1135 | 170 (15.0) | 175 (15.4) | 10.0 | 23.2 | 31.1 |
D. Pter. | 1135 | 208 (18.3) | 206 (18.1) | 12.7 | 27.6 | 37.2 |
Cat | 1135 | 143 (12.6) | 149 (13.1) | 7.6 | 20.8 | 27.4 |
Dog | 1135 | 151 (13.3) | 159 (14.0) | 7.1 | 23.7 | 30.3 |
Horse | 1135 | 56 (4.9) | 48 (4.2) | 2.8 | 8.4 | 11.6 |
Any allergen | 1135 | 442 (38.9) | 447 (39.3) | 30.5 | 51.1 | 62.1 |