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Table 2 Known-group validity at T2 and T3

From: How does the EQ-5D-5L perform in asthma patients compared with an asthma-specific quality of life questionnaire?

Cohen’s d

 

ACT A vs. ACT-B

ACT B vs. ACT-C

T2

AQLQ

1.48

0.74

 

EQ-5D index

0.72

0.73

 

VAS

0.97

0.57

T3

AQLQ

1.25

1.35

 

EQ-5D index

0.75

0.63

 

VAS

1.33

0.70

  1. Abbreviations: AQLQ Asthma Quality of Life Questionnaire, VAS Visual Analog Scale, ACT Asthma Control Test, ACT-A well-controlled asthma (ACT score > 19), ACT-B not well-controlled asthma (16–19), and ACT-C very poorly controlled asthma (5–15)
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BMC Pulmonary Medicine

ISSN: 1471-2466

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