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Risk factors for severe reactions, multivariate model
| Candidate risk factor | OR (95% CI) |
|---|---|
| Age ≥ 11 years | 1.4 (1.2, 1.8) |
| Trigger | |
| Non-food | 2.5 (2.0, 3.2) |
| Unknown | 0.5 (0.4, 0.6) |
| Therapies | |
| Systemic steroids | 1.9 (1.4, 2.6) |
| Inhaled bronchodilators | 3.4 (2.9, 3.9) |
| Inhaled epinephrine | 4.5 (3.5, 5.8) |
| Antihistamines | 1.9 (1.5, 2.4) |
| H2-receptor antagonists | 2.8 (2.2, 3.6) |
| IV fluid boluses | 7.7 (6.3, 9.4) |
