Baseline and postsalbutamol interruptor resistance, bronchodilator responsiveness (BDR) and immunoglobulin (Ig)-E measurements
| Subjects n | Geometric mean 95% CI | |
| Baseline Rint kPa·L−1·s | ||
| Controls | 73 | 0.66 (0.62–0.70) |
| Coughers | 63 | 0.68 (0.64–0.72) |
| Wheezers | 63 | 0.73 (0. 69–0.758) |
| Postsalbutamol Rint kPa·L−1·s | ||
| Controls | 73 | 0.58 (0.55–0.62) |
| Coughers | 63 | 0.54 (0.52–0.57) |
| Wheezers | 63 | 0.56 (0.53–0. 60) |
| BDR (baseline/postsalbutamol) | ||
| Controls | 73 | 1.13 (1. 10–1. 17) |
| Coughers | 61* | 1.22 (1.16–1.28) |
| Wheezers | 63 | 1.30 (1.24–1.36) |
| IgE IU·mL−1 | ||
| Coughers | 43 | 36 (22–59) |
| Wheezers | 58 | 364 (234–537) |
Data are presented as mean (95% confidence interval (CI))
*: two outliers have been removed for analysis