Key Message
Only one study has demonstrated that asthmatic children can exhibit a
loss of lung function during childhood based on spirometry, in a
therapeutic trial (CAMP study). This result deserved to be confirmed in
an out-of-hospital setting. We show that tracking of function was
observed in 68.8% of the children, while 27.8% showed a loss of
function and 3.4% showed a gain in function. We thus confirm the
results of the CAMP study.