Table 2 Self-report measurements at the time of baseline visit

VAS weekly, mean score (SD)

70 (18.1)

3.6 (9.7)

< 0.0001

SF-MPQ, mean score (SD)

24.5 (9.4)

1.3 (3.3)

< 0.0001

FIQ, mean score (SD)

56.6 (15.1)

4.5 (8.3)

< 0.0001

CSQ

   Diverting attention, mean score (SD)

16 (7.4)

10 (9.3)

0.008

   Reinterpreting pain sensations, mean score (SD)

9.2 (7.7)

5.5 (6.4)

0.01

   Coping self-statement, mean score (SD)

24.2 (7.1)

16.5 (10.6)

0.0009

   Ignoring pain sensation, mean score (SD)

15.6 (8.1)

13.5 (9.3)

0.48

   Praying and hoping, mean score (SD)

12.1 (7.2)

6.8 (7.5)

0.0002

   Catastrophizing, mean score (SD)

14.5 (9.2)

4.6 (5.7)

< 0.0001

   Increasing activity level, mean score (SD)

18.8 (6)

14.3 (9.6)

0.09

CFS, mean score (SD)

20.8 (5.6)

11.3 (2.2)

< 0.0001

PSQI, mean score (SD)

11.3 (4.3)

4.3 (2.7)

< 0.0001

SF-36

   Physical component summary, mean score (SD)

34 (7.5)

56 (4)

< 0.0001

   Mental component summary, mean score (SD)

40.6 (10.5)

50.9 (6.7)

0.002