Fig. 1From: Concordance for changes in allergic asthma domain variables after short-term corticosteroid therapyThe Study design consisting of two visits, V1 and V2. FeNO, spirometry and ACQ7 scores were assessed before and after 2 weeks of corticosteroid therapy. Daily symptoms were collected with the twice-daily asthma symptom diary (ASX) between V1 and V2Back to article page