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Table 3 Relationship between the different HRQL domains

From: Quality of life assessment in interstitial lung diseases:a comparison of the disease-specific K-BILD with the generic EQ-5D-5L

 

EQ-5D Mobility

EQ-5D Self-care

EQ-5D Usual activities

EQ-5D Pain/ discomfort

EQ-5D Anxiety/ depression

EQ-5D Mobility

1

 

EQ-5D Self-care

0.51

(<.0001)

1

 

EQ-5D Usual activities

0.65

(<.0001)

0.54

(<.0001)

1

 

EQ-5D Pain/ discomfort

0.40

(<.0001)

0.29

(<.0001)

0.49

(<.0001)

1

EQ-5D Anxiety/ depression

0.39

(<.0001)

0.26

(<.0001)

0.44

(<.0001)

0.24

(0003)

1

K-BILD

Breath

−0.65

(<.0001)

− 0.48

(<.0001)

− 0.69

(<.0001)

− 0.45

(<.0001)

− 0.38

(<.0001)

K-BILD

Chest

− 0.49

(<.0001)

− 0.31

(<.0001)

−0.52

(<.0001)

− 0.45

(<.0001)

−0.35

(<.0001)

K-BILD Psych.

−0.47

(<.0001)

−0.33

(<.0001)

− 0.53

(<.0001)

−0.39

(<.0001)

− 0.51

(<.0001)

  1. Abbreviations; K-BILD Breath- K-BILD Breathlessness and activity, K-BILD Chest- K-BILD Chest symptoms, K-BILD Psych- K-BILD Psychological Impact. In brackets, we reported p-values. We considered correlations < 0.3 as weak, ≥0.3 and < 0.7 as moderate and ≥ 0.7 as strong