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.