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Table 3 Rescue medication use and percentage of COPD 'days of poor control' over 12 weeks of treatment (ITT population)

From: Efficacy and safety of indacaterol 150 μg once-daily in COPD: a double-blind, randomised, 12-week study

 

Treatment

Treatment difference

 

LSM ± SEM

LSM ± SEM

Change from baseline in the mean daily number of puffs of rescue medication

Indacaterol 150 μg o.d.

-1.38 ± 0.118

 
  

-0.97 ± 0.168*

Placebo

-0.41 ± 0.122

 

Change from baseline in the mean day time number of puffs of rescue medication

Indacaterol 150 μg o.d.

-0.92 ± 0.076

 
  

-0.65 ± 0.109*

Placebo

-0.27 ± 0.079

 

Change from baseline in the mean night time number of puffs of rescue medication

Indacaterol 150 μg o.d.

-0.47 ± 0.052

 
  

-0.34 ± 0.075*

Placebo

-0.13 ± 0.054

 

Percentage of days with no rescue use

Indacaterol 150 μg o.d.

54.63 ± 1.942

 
  

13.35 ± 2.791*

Placebo

41.28 ± 2.004

 

Percentage of COPD 'days of poor control'

Indacaterol 150 μg o.d.

31.19 ± 1.500

 
  

-9.05 ± 2.175*

Placebo

40.24 ± 1.554

 
  1. COPD = chronic obstructive pulmonary disease; ITT = intent-to-treat;
  2. LSM = least squares mean; SEM = standard error of the mean
  3. * p < 0.001