Details of acute episodes
| Factor precipitating acute episode | Nedocromil sodium (n = 38) | Placebo (n = 41) |
|---|---|---|
| Infection (usually URTI) | 17 | 20 |
| Weather | 7 | 3 |
| Exercise | 1 | 2 |
| Exposure to allergen | 0 | 2 |
| Other | 0 | 4 |
| Referred with episodes of wheeze | 2 | 2 |
| Not known | 11 | 8 |
| Duration of acute episode (hours) | ||
| Mean | 50.3 | 54.5 |
| Min | 2 | 5 |
| Max | 252 | 504 |
| Medications used for treatment of acute episode: | ||
| Corticosteroid | 16 | 22 |
| Bronchodilator | 30 | 33 |
| Anticholinergic | 7 | 12 |
| Sodium cromoglycate | 1 | 0 |
| Other | 3 | 5 |
URTI = upper respiratory tract infection.