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Additional medications used for asthma management
| Medication | Exposed (479), n (%) | Unexposed (958), n (%) |
| Mast cell stabilisers | 2 (<1) | 5 (<1) |
| Leukotriene modifiers | 134 (28) | 318 (33) |
| Long-acting β agonists | 48 (10) | 126 (13) |
| Theophylline | 42 (9) | 142 (15) |
| Ipratropium | 31 (6) | 100 (10) |
| Short-acting β agonists | 180 (38) | 462 (48) |
| Oral corticosteroids | 81 (17) | 294 (31) |
