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Table 1 Primary and secondary outcomes at baseline and 4-weeks, 12-weeks, 18-weeks, and 24-weeks after baseline

From: The effect of occipital nerve field stimulation on the descending pain pathway in patients with fibromyalgia: a water PET and EEG imaging study

 

Baseline

4-weeks

12-weeks

18-weeks

24-weeks

p value

Primary Outcome Measure

 FIQ

59.26a

37.16b

40.36b

42.04b

43.95b

0.006

Secondary Outcome Measures

 PVAQ

40.57a

32.71b

26.71b

26.71b

26.57b

0.003

 PCS

20.84a

10.43b

8.86b

8.29b

10..28b

0.006

NRS

 Overall Quality of Life

3.14a

6.00b

6.14b

6.00b

5.00b

0.01

 Overall Fibromyalgia Pain

7.00a

4.00b

4.29b

4.42b

4.85b

0.001

 Overall Bone and Joint Pain

8.00a

4.14b

5.14b

4.86b

5.14b

0.004

 Overall Non-Specified Pain

5.57a

4.00a,b

3.28b

3.42b

3.87b

0.033

  1. a, b indicate that they are significantly different