Table 2 Convergence between the measures

EQ-5D

Index score

0.76

−0.63

−0.55

−0.68

−0.73

−0.45

−0.55

−0.41

−0.43

−0.21

Mobility

−0.62

0.63

0.51

0.50

0.62

0.24

0.50

0.21

0.30

0.10

Self care

−0.53

0.54

0.40

0.50

0.50

0.24

0.40

0.26

0.35

0.12

Usual activities

−0.70

0.67

0.55

0.63

0.63

0.35

0.55

0.30

0.36

0.14

Pain/discomfort

−0.65

0.54

0.46

0.53

0.73

0.33

0.49

0.32

0.34

0.17

Anxiety/depression

−0.57

0.29

0.53

0.50

0.41

0.65

0.37

0.58

0.443

0.32

DHP

PD

−0.46

0.23

0.40

0.41

0.32

0.52

0.32

-

-

-

BA

−0.49

0.34

0.40

0.47

0.37

0.39

0.36

-

-

-

DE

−0.25

0.06

0.22

0.11

0.17

0.28

0.23

-

-

-