Table 1:

Clinical results (52 patients)

	Follow-Up					Residual Pain(out of 10):
	1 month	6 months	12 months	2 years	5 years
Excellent	31 (67%)	27 (71%)	16 (69%)	13 (76%)	2 (67%)	0–2
Good	9 (19%)	8 (21%)	6 (26%)	4 (24%)	1 (33%)	2.5–4.5
Fair	2	2	1	0	0	5–7
Poor	4	1	0	0	0	7.5–10
Missing data	6	14	29	35	49
Efficacy (Excellent + Good)	86%	92%	95%	100%	100%