Table 1.
Positive reactivity to allergens in the skin prick test
| Allergens | Number of patients (%) | P* | |
|---|---|---|---|
| 1990s (n = 1447) | 2010s (n = 3388) | ||
| Dermatophagoides pteronyssinus | 1001 (62.9) | 2458 (72.6) | 0.016 |
| Dermatophagoides farinae | 964 (66.6) | 2378 (70.2) | 0.022 |
| Cat fur | 490 (33.9) | 856 (25.3) | < 0.001 |
| Dog dander | 343 (23.7) | 772 (22.8) | 0.502 |
| Cockroach | 192 (13.3) | 775 (22.9) | < 0.001 |
| Aspergillus | 37 (2.6) | 271 (8.0) | < 0.001 |
| Alternaria | 70 (4.8) | 224 (6.6) | 0.019 |
| Tree pollen | 202 (14.0) | 697 (20.6) | < 0.001 |
| Mugwort | 280 (19.4) | 670 (19.8) | 0.733 |
| Ragweed | 175 (12.1) | 473 (14.0) | 0.081 |
| Grass pollen | 124 (8.6) | 243 (7.2) | 0.097 |
* Chi square test