Table 1.
Basic Clinical Characteristics for the Recruited Patients (N = 44)
| Variable | N (%) |
|---|---|
| Age, y (median, IQR) | 55.50 (39.75-65.00) |
| Sex (female) | 39 (88.7%) |
| Ethnicity | |
| White | 35 (79.5%) |
| East Asian | 4 (9.1%) |
| African | 2 (4.5%) |
| Middle East/Aboriginal/Latino | 3 (6.8%) |
| Past medical history of any allergic reaction | 44 (100%) |
| Drug allergy label | 44 (100%) |
| Food allergy label | 15 (34.1%) |
| Allergic rhinitis | 15 (34.1%) |
| Asthma | 9 (20.5%) |
| Atopic dermatitis | 2 (4.5%) |
| Idiopathic urticaria or angioedema | 8 (18.2%) |
| History of anaphylaxis | 12 (27.3%) |
| Charlson Comorbidity Index score | |
| Mild1,2 | 22 (50%) |
| Moderate3,4 | 12 (27.2%) |
| Severe (≥5) | 10 (22.7%) |
| Current medications | |
| Beta-blockers | 3 (6.8%) |
| ACE inhibitors | 4 (9.1%) |
| Angiotensin-receptor blockers | 4 (9.1%) |
| Immunosuppressive medications | 5 (11.4%) |
| Prednisone | 2 (4.5%) |
| Anticoagulants | 2 (4.5%) |
Abbreviations: ACE, angiotensin-converting enzyme; IQR, interquartile range.