Monophasic anaphylaxis n=224 Biphasic anaphylaxis n=13
P-value
Men 87 (38.8%) 5 (38.5%) p = 1
Age, mean (SD) 49.2 (16.7) 49.8 (17.4) p = 1
Asthma 38 (16.9%) 6 (46.1%) p = 0.021∗
Inhaled steroids 19 (8.5%) 2 (15.4%) p = 0.34
Atopic dermatitis 16 (7.1%) 1 (7.7%) p = 1
Contact eczema 41 (18.3%) 3 (23.1%) p = 0.72
Chronic urticaria 5 (2.2%) 0 p = 1
Allergic rhino-conjunctivitis 77 (34.4%) 7 (53.8%) p = 0.24
History of Hymenoptera venom hypersensitivity 4 (1.8%) 0 p = 1
History of drug hypersensitivity 13 (5.8%) 0 p = 1
History of food hypersensitivity 34 (15.2%) 3 (23.1%) p = 0.44
Cardiovascular disease 73 (32.6%) 4 (30.8%) p = 1
Diabetes 14 (6.2%) 1 (7.7%) p = 0.58
Dysthyroidism 18 (8.0%) 1 (7.7%) p = 1
Renal failure 1 (0.4%) 0 p = 1
PPI treatment 44 (19.6%) 2 (15.4%) p = 1
Beta-blocker treatment 26 (11.6%) 0 p = 0.37
Smoking 85 (37.9%) 7 (53.8%) p = 0.26