question: Compared to AZD3199 ( 800 μg o.d.) what was the result of AZD3199 (200, 400 μg o.d.) on mean peak and trough forced expiratory volume in one second (FEV1) values?
context: After 4 weeks of treatment, all doses of AZD3199 had increased mean peak and trough FEV1 values compared with placebo, but no clear dose–response was observed (Figure 2);