Research Article

Efficacy of Internal Heat Acupuncture Combined with High-Voltage Long-Duration Pulsed Radiofrequency on Subacute Postherpetic Neuralgia: A Retrospective Study

Figure 4

The group IHA-PRF effective rate was considerably higher than the other two groups. Patients in the three groups were followed up for 12 weeks following treatment. The effective rate in group IHA-PRF (88.9%) was considerably higher than group II-PRF (63.0%) and group PRF (63.0%). Compared with group II-PRF, . , compared with group PRF.