Table 1 Patient characteristics at eight-year follow-up for those completing the EQ-5D-3L and 5L (n = 146)

Mean age (years)

49.9

(7.0)

Female (%)

78

53.4

Work status:

 Working

61

41.8

 Sick leave (100%)

10

6.9

 Student

1

0.7

 Sick leave (< 100%)

4

2.7

 Pension

1

0.7

 In rehabilitation

18

12.3

 Disability pension

50

34.2

 Unemployed

1

0.7

Mean ODI 8-year follow-up

24.75

(16.11)

ODI minimal disability (0–20)

61

41.8

ODI moderate disability (21–40)

62

42.5

ODI severe disability (41–60)

21

14.4

ODI crippling back pain (60–80)

2

1.4

ODI bed-bound (80–100)

0

0

Mean VAS-pain 8-year follow-up

42.10

(26.67)