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Table 2 Posterior probability of non-inferiority for FF/VI 100/25 mcg versus other relevant ICS/LABA* (full covariate model)

From: Once-daily fluticasone furoate/vilanterol 100/25 mcg versus twice daily combination therapies in COPD – mixed treatment comparisons of clinical efficacy

A: change from baseline FEV 1

Treatment

Comparator

Mean difference, L (95% CrI)

Probability of non-inferiority margin (change from baseline)

   

50 mL

 

FF/VI 100/25

FP/SAL 500/50

0.023 (−0.002, 0.048)

>99%

 

FF/VI 100/25

BUD/FORM 400/12

0.027 (−0.007, 0.061)

>99%

 

B: annual rate of moderate/severe exacerbations

   

Treatment

Comparator

Rate ratio (95% CrI)

Probability of non-inferiority margin (event rate ratio)

   

0.10

0.20

FF/VI 100/25

FP/SAL 500/50

0.925 (0.451, 1.734)

73%

80%

FF/VI 100/25

BUD/FORM 400/12

0.866 (0.396, 1.664)

77%

84%

C: change from baseline SGRQ Total score

   

Treatment

Comparator

Mean difference, units (95% CrI)

Probability of non-inferiority margin (units)

   

2

3

FF/VI 100/25

FP/SAL 500/50

−1.321 (−3.955, 1.313)

99%

>99%

FF/VI 100/25

BUD/FORM 400/12

−0.964 (−3.897, 1.970)

98%

>99%

  1. Note: All stated nominal doses are mcg.
  2. BUD = budesonide, Crl = credible interval, FORM = formoterol, FEV1 = forced expiratory volume in one second, FF = fluticasone furoate, FP = fluticasone propionate, S = salmeterol, SGRQ = St George’s Respiratory Questionnaire, VI = vilanterol.
  3. *Other relevant ICS/LABA: FP/SAL 500/50 mcg and BUD/F 400/12 mcg.
  4. †For studies in which patients were required to have an explicit exacerbation history at entry.