Figure 5From: Withdrawal of inhaled corticosteroids in people with COPD in primary care: a randomised controlled trialChange in forced expiratory volume in one second (FEV 1 ) at three monthly assessments in study. Baseline FEV1 was value at randomisation. Mean difference for FEV1 (mls) at 12 months: fluticasone -41mls, placebo -64mls (P = 0.44).Back to article page