Baseline

6 week f-up

26 week f-up

52 week f-up

Differences from MLM tests

(Across time)

Comp

Mob

Comp

Mob

Comp

Mob

Comp

Mob

Estimate of effect

CI

p-value

VAS (pain)

65 (20)

63 (22)

46 (28)

49 (29)

40 (31)

40 (28)

37 (32)

42 (30)

0.96

−5.91 to 7.00

0.87

NULI

30 (17)

36 (19)

24 (15)

30 (22)

19 (17)

26 (20)

19 (17)

26 (20)

6.91

−13.53 to −0.92

0.03^*

SF36

65 (17)

59 (18)

66 (18)

62 (18)

72 (15)

64 (20)

70 (16)

64 (19)

5.85

−0.37 to 12.07

0.07