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. 2011 May 23;11:28. doi: 10.1186/1471-2466-11-28

Table 2.

Change in FEV1 assessments from baseline to week 12

Parameter Change from baseline (L)
LS mean (95% CI)
Difference between groups (L)
LS mean (95% CI)
p value for
non-inferiority

Pre-dose FEV1
Fluticasone/formoterol 0.196 (0.117, 0.275) –0.061 (–0.161, 0.040) 0.007

Fluticasone/salmeterol 0.257 (0.177, 0.336)

Post-dose FEV1

Fluticasone/formoterol 0.464 (0.374, 0.555) –0.013 (–0.129, 0.103) 0.002

Fluticasone/salmeterol 0.477 (0.384, 0.569)

FEV1, forced expiratory volume in the first second; LS, least-squares mean.