Table 4 Correlation between EQ-5D-5 L and ODI total and domains scores

Mobility

No/slight problem

29.91 ± 16.02**

1.59 ± 0.91**

1.0 ± 0.91**

2.05 ± 1.39

1.46 ± 0.91**

1.24 ± 0.86*

1.69 ± 1.08*

1.17 ± 0.95**

1.05 ± 0.88**

1.44 ± 1.08**

1.62 ± 1.30**

Moderate/extreme

52.34 ± 20.45

2.85 ± 1.1

2.21 ± 1.32

2.95 ± 1.49

2.71 ± 1.28

2.46 ± 1.20

2.66 ± 1.15

2.17 ± 1.160

2.76 ± 1.41

2.77 ± 0.95

3.10 ± 1.46

Self-care

No/slight problem

30.13 ± 16.26**

1.62 ± 0.91**

0.95 ± 0.85**

2.03 ± 1.43

1.44 ± 0.91*

1.27 ± 0.87*

1.71 ± 1.08**

1.19 ± 0.99**

1.24 ± 1.20*

1.48 ± 1.07**

1.58 ± 1.16**

Moderate/ extreme

54.72 ± 19.67

2.94 ± 1.14

2.39 ± 1.22

3.06 ± 1.3

2.89 ± 1.23

2.56 ± 1.22

2.75 ± 1.15

2.28 ± 1.08

2.72 ± 1.30

2.88 ± 0.94

3.40 ± 1.47

Usual activities

No/slight problem

22.33 ± 14.30*

1.06 ± 0.63**

0.61 ± 0.8**

1.53 ± 1.32

1.06 ± 0.83*

0.97 ± 0.84*

1.28 ± 1.05*

0.81 ± 0.82**

0.79 ± 0.55*

1.08 ± 0.94**

1.14 ± 1.0**

Moderate / extreme

48.65 ± 18.29

2.71 ± 0.99

1.97 ± 1.16

2.90 ± 1.36

2.49 ± 1.14

2.17 ± 1.12

2.54 ± 1.04

2.00 ± 1.07

2.61 ± 1.39

2.48 ± 1.07

2.84 ± 1.48

Pain

No/slight problem

21.04 ± 14.23**

1 ± 0.72**

0.52 ± 0.84**

1.39 ± 1.16

0.96 ± 0.74**

0.89 ± 0.78**

1.18 ± 1.02*

0.86 ± 0.84**

0.70 ± 0.55**

0.93 ± 0.85**

0.85 ± 0.60**

Moderate / extreme

46.14 ± 18.99

2.54 ± 1.03

1.85 ± 1.1

2.82 ± 1.42

2.36 ± 1.17

2.07 ± 1.14

2.44 ± 1.08

0.70 ± 0.55

2.43 ± 1.39

2.75 ± 1.84

2.75 ± 1.48

Depression

No/slight problem

21.93 ± 12.94**

1.20 ± 0.64

0.68 ± 0.85*

1.44 ± 1.30

1.12 ± 0.93**

0.93 ± 0.75**

1.20 ± 0.93*

0.90 ± 1.02**

0.75 ± 0.56*

1.12 ± 0.95**

1.05 ± 0.87**

Moderate / extreme

50.96 ± 17.05

2.72 ± 1.01

2.04 ± 1.1

3.11 ± 1.2

2.60 ± 1.08

2.28 ± 1.08

2.68 ± 0.96

1.98 ± 0.91

2.79 ± 1.27

2.57 ± 0.95

3.05 ± 1.39