Efficacy and Safety of Botulinum Toxin A and Pulsed Radiofrequency on Postherpetic Neuralgia: A Randomized Clinical Trial

Table 3

Comparison of GAD-7 scores at baseline and 24 weeks postoperation in both groups (n = 50, ).

	RF	BoNT-A	t
Baseline	9.82 ± 3.96	10.24 ± 4.27	−0.51	0.647
24 weeks postoperation	5.94 ± 5.00	5.60 ± 4.22	0.368	0.039
t	4.309	5.46
	0.009	0.075