Standardised differences (number of standard deviations) in change from baseline (95% CI) for continuous clinical outcome measures in placebo controlled studies
| 100 µg versus 0* | 200 µg versus 0† | |
|---|---|---|
| *Derived from reference 15; 100 µg minus 0 µg per day. | ||
| †Derived from references 14–16; 200 µg minus 0 µg per day. | ||
| FEV1 | 0.46 (0.20 to 0.72) | 0.58 (0.37 to 0.78) |
| PEF—am | 0.58 (0.32 to 0.84) | 0.64 (0.45 to 0.84) |
| PEF—pm | 0.49 (0.23 to 0.75) | 0.60 (0.40 to 0.79) |
| β agonist use | −0.48 (−0.74 to −0.22) | −0.44 (−0.64 to −0.23) |
| Night wakenings | −0.46 (−0.73 to −0.21) | −0.53 (−0.73 to −0.32) |