Table 1 Demographic and clinical characteristics of 197 patients with WDEIA
Variables | n (%) | Median (range) |
|---|---|---|
Sex | ||
Male | 106 (53.8) | |
Female | 91 (46.2) | |
Residence | ||
North China | 170 (86.3) | |
South China | 27 (13.7) | |
Onset age (years) | 35 (12–64) | |
Diagnosis age (years) | 37 (12–70) | |
Number of anaphylactic episodes | 2 (1– > 10) | |
Clinical features | ||
Dermatologic reactions | 197 (100) | |
Urticaria | 197 (100) | |
Angioedema | 42 (21.3) | |
Respiratory symptoms | 104 (52.8) | |
Dyspnea | 100 (50.8) | |
Throat angioedema | 17 (8.6) | |
Gastrointestinal symptoms | 67 (34.0) | |
Abdominal pain | 26 (13.2) | |
Diarrhea | 7 (3.6) | |
Nausea | 23 (11.7) | |
Vomiting | 45 (22.8) | |
Cardiovascular symptoms | 184 (93.4) | |
Blurred vision | 77 (39.1) | |
Dizzy | 27 (13.7) | |
Loss of consciousness | 163 (82.7) | |
Tachycardia | 37 (18.8) | |
Hypotension | 93 (47.2) | |
Others | 75 (38.1) | |
Incontinence | 38 (19.3) | |
Fatigue | 34 (17.3) | |
Convulsions | 8 (4.1) | |
Tinnitus | 5 (2.5) | |
Numbness | 4 (2.0) | |