The relationship between reliever medication prescription in the post index year and the medication possession ratio.

% of children with adequate vs inadequate MPR. e.g. x% of children with adequate MPR had an OCS prescription while xx% of those with inadequate MPR had an OCS prescription.* P** P SABA = Short-acting β2–agonist; OCS = Oral corticosteroids; ICS = Inhaled corticosteroid; LTRA = leukotriene receptors antagonists; LABA/ICS = fixed dose long-acting β2 -agonist and inhaled corticosteroids combination; LABA+ICS = concurrent long-acting β2 -agonist and inhaled corticosteroids separate inhaler.