Responders (N = 273)

Non-responders (N = 633)

P values (Sig. < 0.05^*)

Pain intensity (NRS 0 - 10)

7.01 (1.96)

7.04 (1.99)

0.83

PSEQ (0 - 60)

20.2 (13.1)

19.8 (13.8)

0.70

DASS-21 subscales (0 - 42)

Depression

16.7 (12.3)

17.1 (13.3)

0.69

Anxiety

11.9 (10.3)

12.0 (10.8)

0.95

Stress

17.8 (11.6)

17.4 (13.1)

0.62

QOL-SF-36 subscales

General health

38.7 (22.7)

20.4 (22.7)

0.33

Bodily pain

25.4 (17.9)

25.3 (18.6)

0.88

Physical function

36.2 (24.9)

35.3 (24.8)

0.61

Social function

40.9 (27.8)

37.8 (28..6)

0.17

Role emotional

38.9 (43.1)

38.8 (43.3)

0.97

Role physical

15.1 (31.9)

15.7 (29.7)

0.78

Vitality

31.2 (17.8)

29.9 (17.4)

0.32

Mental health

52.6 (22.5)

50.4 (19.1)

0.21