Formoterol | Salbutamol | Mean difference | P value | |
---|---|---|---|---|
(n = 1402) | (n = 1393) | (95 % CI) | ||
Use of study medication, doses/day (adjusted mean) | ||||
Period 1 | 1.62 | 1.83 | −0.20 (−0.37,−0.04) | 0.017 |
Period 2 | 1.52 | 1.83 | −0.31 (−0.48,−0.14) | < 0.001 |
Period 3 | 1.36 | 1.66 | −0.30 (−0.47,−0.13) | < 0.001 |
Asthma symptom days, % (adjusted mean) | ||||
Period 1 | 43.5 | 44.4 | −0.92 (−3.92, 2.08) | 0.55 |
Period 2 | 43.1 | 44.5 | −1.41 (−4.42, 1.61) | 0.36 |
Period 3 | 39.1 | 40.9 | −1.83 (−4.86, 1.19) | 0.24 |