Application of Nalbuphine in Trigeminal Ganglion Pulse Radiofrequency Surgery in Patients with Postherpetic Neuralgia

Figure 3

General information of patients between two groups. (a) The sex ratio of PHN patients; (b) age of patients; (c) disease duration of patients. Nalbu, nalbuphine; KT, ketorolac tromethamine. n = 15 for each group.

(a)

(b)

(c)