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

Table 5

The oral analgesics of patients at 24 weeks postoperatively and the treatment-related costs during hospitalization (median and interquartile range).

	RF	BoNT-A	Z/X^2
Gabapentin (g)	0.55 (0.45–0.74)	0.60 (0.44–0.68)	−0.374	0.708
Opioids	14 (28.0)	12 (24.0)	0.208	0.820
Costs (yuan)	6287.19 (6210.37–6415.53)	3374.86 (3289.15–4592.03)	−8.617	<0.05