Effectiveness of pulsed radiofrequency on the medial cervical branches for cervical facet joint pain

Table 1 The cervical medial branches on which pulsed radiofrequency was applied

Patient	Stimulated level
1	Lt. C4, 5, 6
2	Rt. C4, 5, 6
3	Rt. TON, C3, 4, 5
4	Both C3, 4, 5
5	Rt. C3, 4
6	Rt. TON, C3, 4
7	Lt. C3, 4, 5
8	Rt. C3, 4, 5
9	Rt. TON, C3, 4, 5
10	Lt. C3, 4, 5
6	Rt. TON, C3, 4
7	Lt. C3, 4, 5
8	Rt. C3, 4, 5
9	Rt. TON, C3, 4, 5
10	Lt. C3, 4, 5
11	Rt. TON, C3, 4, 5, 6
12	Lt. C5, 6, 7

TON: Third occipital nerve.

Table 2 Global perceived effect according to a Likert scale

Score	% Change	Description
7	≥ 75 improvement	Very good
6	50-74 improvement	Good
5	25-49 improvement	Fairly good
4	0-24 improvement or worse	Same as before
3	25-49 worse	Fairly bad
2	50-74 worse	Bad
1	≥ 75 worse	Very bad