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Table 2 Frequency of aeroallergens in ≥20% of patients with perennial and seasonal allergic asthma (according to clinician judgement) (cross-sectional population)

From: Improvement of patient-reported outcomes in severe allergic asthma by omalizumab treatment: the real life observational PROXIMA study

Allergen Patients with perennial allergens
(N = 342)
Patients with seasonal allergens
(N = 15)
Grasses 174/315 (55.2%) 9/15 (60.0%)
Pellitory 134/319 (42.0%) 4/14 (28.6%)
Birch 67/288 (23.3%) 3/14 (21.4%)
Hazel 46/269 (17.1%) 3/14 (21.4%)
Cypress 66/285 (23.2%) 4/13 (30.8%)
Olive tree 92/311 (29.6%) 3/13 (23.1%)
Dermatophagoides 248/334 (74.3%) 2/14 (14.3%)
Cat epidermal allergen 97/305 (31.8%) 1/14 (7.1%)
Dog epidermal allergen 66/299 (22.1%) 1/14 (7.1%)