Test result | Spring | Summer | Autumn | Winter | P-value |
---|---|---|---|---|---|
Number (%) | Number (%) | Number (%) | Number (%) | ||
Overall (any allergen) | |||||
T+ | 214 (79.3) | 399 (86.4) | 350 (87.5) | 144 (79.6) | 0.005 |
T- | 56 (20.7) | 63 (13.6) | 50 (12.5) | 37 (20.4) | |
Outdoor allergens | |||||
O+ | 106 (39.3) | 220 (47.6) | 199 (49.8) | 70 (38.7) | 0.0098 |
O- | 164 (60.7) | 242 (52.4) | 201 (50.3) | 111 (61.3) | |
Indoor allergens | |||||
I+ | 188 (69.6) | 373 (80.7) | 319 (79.8) | 138 (76.2) | 0.0033 |
I- | 82 (30.4) | 89 (19.3) | 81 (20.2) | 43 (23.8) |