Figure 2From: Comparison of vilanterol, a novel long-acting beta2 agonist, with placebo and a salmeterol reference arm in asthma uncontrolled by inhaled corticosteroids Adjusted mean change from baseline (95% CI) in 24-hour post-dose FEV 1 (l). At Week 12 (Day 84), ITT population. BD: twice-daily; CI: confidence interval; FEV1: forced expiratory volume in one second; h: hour; ITT: intent-to-treat; LS: least squares; OD: once-daily; SAL: salmeterol; VI: vilanterol.Back to article page