Adjusted differences in mean lung function with equivalent differences in the proportions (as percentage) with abnormal lung function (below/above 5^th centile for healthy population^*).

<p>Adjusted differences in mean lung function with equivalent differences in the proportions (as percentage) with abnormal lung function (below/above 5^th centile for healthy population^{<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0200243#t003fn001" target="_blank">*</a>}).