Overall effect of genotype on exacerbations in children and young adults with asthma across all four BTS steps of asthma treatment
| Exacerbations over the period* | Genotype | Total | |
|---|---|---|---|
| Gly/Gly16 | Arg/Arg16 | ||
| *Odds ratio for exacerbation risk 2.05 (95% CI 1.19 to 3.53); p = 0.010. | |||
| No | 134 | 43 | 177 |
| Yes | 74 | 41 | 115 |
| Total | 208 | 84 | 292 |