Influence of inhaled corticosteroids compared with placebo on the change in prebronchodilator and postbronchodilator FEV1 (l) by repeated measurement analysis. The model presents only variables with p⩽0.05
| Two-year estimate (l/year) | SE | p value (Pr>F) | |
|---|---|---|---|
| Prebronchodilator: | |||
| Treatment effect (inhaled corticosteroids versus placebo (n = 183) | +0.034 | 0.015 | 0.026 |
| FEV1 baseline (l) | +0.97 | 0.027 | 0.0001 |
| β2 agonists (yes) | +0.063 | 0.025 | 0.012 |
| Almitrine (yes) | –0.075 | 0.038 | 0.048 |
| Postbronchodilator: | |||
| Treatment effect (inhaled corticosteroids versus placebo, n = 183) | +0.039 | 0.023 | 0.095 |
| Height (m) | +0.64 | 0.222 | 0.004 |
| Reversibility FEV1 (as % of predicted FEV1) | +0.014 | 0.005 | 0.003 |
| FEV1baseline (l) | +0.92 | 0.036 | 0.0001 |
| β2agonists (yes) | +0.058 | 0.027 | 0.034 |