Annual incidence of acute asthma exacerbation and acute status asthmaticus: comparing adenotonsillectomy to no adenotonsillectomy.

<p>Data are number or percent (95% CI). <i>p</i>-Value is for the difference between the two groups.</p><p>Annual incidence of acute asthma exacerbation and acute status asthmaticus: comparing adenotonsillectomy to no adenotonsillectomy.