Table 3 Secondary outcomes by spacer group.
| Outcome | Bottle | Conventional | p Value |
|---|---|---|---|
| Need for systemic corticosteroids (n, %) | 41 (20.5%) | 37 (18.5%) | 0.61 |
| Change in clinical score (median, IQR) | −2 (−3 to −1) | −2 (−3 to −1) | 0.53 |
| Change in oxygen saturation (median, IQR) | 0 (−1 to 1) | 0 (−1 to 1) | 0.53 |
| Number of bronchodilator treatments (median, IQR) | 2 (1 to 3) | 2 (1 to 3) | 0.67 |