Figure 6From: Add-on therapy options in asthma not adequately controlled by inhaled corticosteroids: a comprehensive reviewMean (+- SE) change in FEV1 in 31 asthma patients treated with high-dose budesonide (1600 μg/d) and 31 patients given low-dose budesonide (800 μg/d) and theophylline (with permission from ref 106).Back to article page