Table 2

Mean (SD) change in FEV1 and FVC % predicted over time and by treatment group

Change in FEV1 % predicted*Change in FVC % predicted*
Month 1Month 2Month 3Month 1Month 2Month 3
*All changes are from baseline FEV1 % predicted and adjusted for baseline FEV1 % predicted levels in each case.
Placebo group
n231721221519
Mean (SD)–1.32 (5.51)–1.17 (5.85)–0.91 (5.99)–3.26 (6.98)–1.82 (6.06)–0.46 (7.83)
AZM group
n222422192019
Mean (SD)2.92 (7.72)1.51 (8.84)2.95 (9.22)2.96 (8.19)4.28 (6.46)3.81 (6.76)
Mean (SE) excess effect of AZM over placebo3.62 (1.78)%5.73 (1.66)%