Fig. 4From: Corticosteroid plus β2-agonist in a single inhaler as reliever therapy in intermittent and mild asthma: a proof-of-concept systematic review and meta-analysisLife-table curves of the time to first exacerbation (a) and hazard ratio (b) across the as-needed ICS/FABA (n = 303), as-needed FABA (n = 248) and regular ICS (n = 288) regimens. ICS, daily use of inhaled corticosteroids regimen; FABA, as-needed use of fast-onset-acting β2-agonist regimen; ICS/FABA, as-needed use of inhaled corticosteroids/fast-onset-acting β2-agonist regimenBack to article page