Table 2 Distributions of pain and other health related variables at baseline, 10 to 12 year follow-up and change from baseline to follow-up. Number and percent of participants that improved are presented for each variable (n = 121–126)

68.3 (18.7)

70.0 (20; 100)

59.4 (22.0)

63.0 (6; 100)

−9.2 (23.3)

−5.0 (−72; 45)

(−13.3; −5.0)

75 (61)

<.0001

13.2 (3.4)

13.0 (4; 18)

11.1 (4.7)

11.5 (2; 18)

−2.0 (4.2)

−2.0 (− 15; 7)

(−2.7; − 1.2)

74 (59)

<.0001

63.5 (16)

64.6 (14; 96)

50.4 (20)

51.6 (10; 96)

− 13.3 (17.9)

− 10.0 (− 58; 38)

(− 16.4; − 10.2)

93 (75)

<.0001

78.5 (20.3)

83.0 (15; 100)

71.7 (24.7)

79.0 (0; 100)

−7.0 (21.5)

−3.0 (−80; 43)

(− 10.8; −3.3)

67 (54)

0.001

6.8 (3.9)

6.0 (0; 16)

5.8 (4.2)

5.0 (0; 17)

−0.9 (3.9)

− 1.0 (− 13; 8)

(− 1.6; −0.2)

64 (52)

0.020

8.2 (5.2)

7.0 (0; 20)

7.7 (4.7)

7.0 (0; 18)

−0.5 (4.4)

− 1.0 (−12; 10)

(−1.3; 0.3)

65 (52)

0.32

33.9 (10.2)

33.4 (10; 58)

4.0 (10.2)

4.0 (−15; 34)

(2.2; 5.8)

76 (63)

< 0.001

39.6 (14.7)

43.0 (0; 68)

0.2 (14.5)

1.4 (−67; 30)

(− 2.4; 2.7)

81 (66)

0.42

69.4 (26.2)

66.0 (6; 128)

−6.5 (20.8)

−3.5 (−82; 33)

(−10.3; −2.8)

68 (56)

0.005

5.5 (5.4)

4.0 (0; 34)

0.5 (5.6)

0.0 (−11; 27)

(−0.5; 1.5)

51 (42)

0.67