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Table 1 Responsiveness of the Average 7-Day ASD Score at Weeks 12 and 24

From: Evaluating minimal important differences and responder definitions for the asthma symptom diary in patients with moderate to severe asthma

 

Responders Mean (SE)

Non-Responders Mean (SE)

Difference

P-Value

Week 12

 ACQ > 0.5

−0.49 (0.03)

− 0.05 (0.03)

− 0.43

p < 0.001

 Effect size

0.82

0.08

 ACQ > 1.0

−0.54 (0.03)

−0.13 (0.03)

− 0.42

p < 0.001

 Effect size

0.90

0.22

 PGA

−0.48 (0.03)

−0.07 (0.03)

− 0.41

p < 0.001

 Effect size

0.80

0.12

Week 24

 ACQ > 0.5

−0.59 (0.03)

−0.06 (0.03)

− 0.53

p < 0.001

 Effect size

0.98

0.10

 ACQ > 1.0

−0.68 (0.04)

−0.15 (0.03)

− 0.53

p < 0.001

 Effect size

1.13

0.25

 PGA

−0.60 (0.03)

−0.10 (0.04)

− 0.49

p < 0.001

 Effect size

1.00

0.17